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Finding the Fourth Proportional to 603,651.60, 905,477.40 and 594,320.40

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Solution

The fourth proportional to 603,651.60, 905,477.40 and 594,320.40 is: 891,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,651.60 : 905,477.40 = 594,320.40 : x
  2. Step 2: Convert to fraction form
    603,651.60/905,477.40 = 594,320.40/x
  3. Step 3: Cross multiply
    603,651.60x = 905,477.40 × 594,320.40
  4. Step 4: Simplify right side
    603,651.60x = 538,143,690,558.96
  5. Step 5: Solve for x
    x = 538,143,690,558.96/603,651.60
  6. Step 6: Final answer
    x = 891,480.60

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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.