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Finding the Fourth Proportional to 616,550.10, 924,606.45 and 217,203.90

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Solution

The fourth proportional to 616,550.10, 924,606.45 and 217,203.90 is: 325,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,550.10 : 924,606.45 = 217,203.90 : x
  2. Step 2: Convert to fraction form
    616,550.10/924,606.45 = 217,203.90/x
  3. Step 3: Cross multiply
    616,550.10x = 924,606.45 × 217,203.90
  4. Step 4: Simplify right side
    616,550.10x = 200,828,126,905.16
  5. Step 5: Solve for x
    x = 200,828,126,905.16/616,550.10
  6. Step 6: Final answer
    x = 325,728.80

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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.