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Finding the Fourth Proportional to 603,670.10, 905,505.15 and 594,338.90

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Solution

The fourth proportional to 603,670.10, 905,505.15 and 594,338.90 is: 891,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,670.10 : 905,505.15 = 594,338.90 : x
  2. Step 2: Convert to fraction form
    603,670.10/905,505.15 = 594,338.90/x
  3. Step 3: Cross multiply
    603,670.10x = 905,505.15 × 594,338.90
  4. Step 4: Simplify right side
    603,670.10x = 538,176,934,795.34
  5. Step 5: Solve for x
    x = 538,176,934,795.34/603,670.10
  6. Step 6: Final answer
    x = 891,508.35

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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.