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Finding the Fourth Proportional to 924,114.80, 1,384,681.80 and 523,564.40

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Solution

The fourth proportional to 924,114.80, 1,384,681.80 and 523,564.40 is: 784,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,114.80 : 1,384,681.80 = 523,564.40 : x
  2. Step 2: Convert to fraction form
    924,114.80/1,384,681.80 = 523,564.40/x
  3. Step 3: Cross multiply
    924,114.80x = 1,384,681.80 × 523,564.40
  4. Step 4: Simplify right side
    924,114.80x = 724,970,095,807.92
  5. Step 5: Solve for x
    x = 724,970,095,807.92/924,114.80
  6. Step 6: Final answer
    x = 784,502.20

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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.