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Finding the Fourth Proportional to 603,669.60, 905,504.40 and 594,338.40

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Solution

The fourth proportional to 603,669.60, 905,504.40 and 594,338.40 is: 891,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,669.60 : 905,504.40 = 594,338.40 : x
  2. Step 2: Convert to fraction form
    603,669.60/905,504.40 = 594,338.40/x
  3. Step 3: Cross multiply
    603,669.60x = 905,504.40 × 594,338.40
  4. Step 4: Simplify right side
    603,669.60x = 538,176,036,288.96
  5. Step 5: Solve for x
    x = 538,176,036,288.96/603,669.60
  6. Step 6: Final answer
    x = 891,507.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.