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Finding the Fourth Proportional to 924,008.80, 1,386,214.80 and 524,840.80

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Solution

The fourth proportional to 924,008.80, 1,386,214.80 and 524,840.80 is: 787,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,008.80 : 1,386,214.80 = 524,840.80 : x
  2. Step 2: Convert to fraction form
    924,008.80/1,386,214.80 = 524,840.80/x
  3. Step 3: Cross multiply
    924,008.80x = 1,386,214.80 × 524,840.80
  4. Step 4: Simplify right side
    924,008.80x = 727,542,084,603.84
  5. Step 5: Solve for x
    x = 727,542,084,603.84/924,008.80
  6. Step 6: Final answer
    x = 787,375.71

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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.