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Finding the Fourth Proportional to 617,207.60, 924,061.80 and 547,223.60

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Solution

The fourth proportional to 617,207.60, 924,061.80 and 547,223.60 is: 819,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,207.60 : 924,061.80 = 547,223.60 : x
  2. Step 2: Convert to fraction form
    617,207.60/924,061.80 = 547,223.60/x
  3. Step 3: Cross multiply
    617,207.60x = 924,061.80 × 547,223.60
  4. Step 4: Simplify right side
    617,207.60x = 505,668,424,818.48
  5. Step 5: Solve for x
    x = 505,668,424,818.48/617,207.60
  6. Step 6: Final answer
    x = 819,284.18

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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.