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Finding the Fourth Proportional to 713,585.10, 984,792.96 and 471,442.89

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Solution

The fourth proportional to 713,585.10, 984,792.96 and 471,442.89 is: 650,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,585.10 : 984,792.96 = 471,442.89 : x
  2. Step 2: Convert to fraction form
    713,585.10/984,792.96 = 471,442.89/x
  3. Step 3: Cross multiply
    713,585.10x = 984,792.96 × 471,442.89
  4. Step 4: Simplify right side
    713,585.10x = 464,273,639,114.05
  5. Step 5: Solve for x
    x = 464,273,639,114.05/713,585.10
  6. Step 6: Final answer
    x = 650,621.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.