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Finding the Fourth Proportional to 616,662.10, 924,256.86 and 317,286.10

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Solution

The fourth proportional to 616,662.10, 924,256.86 and 317,286.10 is: 475,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,662.10 : 924,256.86 = 317,286.10 : x
  2. Step 2: Convert to fraction form
    616,662.10/924,256.86 = 317,286.10/x
  3. Step 3: Cross multiply
    616,662.10x = 924,256.86 × 317,286.10
  4. Step 4: Simplify right side
    616,662.10x = 293,253,854,507.65
  5. Step 5: Solve for x
    x = 293,253,854,507.65/616,662.10
  6. Step 6: Final answer
    x = 475,550.31

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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.