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Finding the Fourth Proportional to 924,652.80, 1,386,104.40 and 545,864.40

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Solution

The fourth proportional to 924,652.80, 1,386,104.40 and 545,864.40 is: 818,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,652.80 : 1,386,104.40 = 545,864.40 : x
  2. Step 2: Convert to fraction form
    924,652.80/1,386,104.40 = 545,864.40/x
  3. Step 3: Cross multiply
    924,652.80x = 1,386,104.40 × 545,864.40
  4. Step 4: Simplify right side
    924,652.80x = 756,625,046,643.36
  5. Step 5: Solve for x
    x = 756,625,046,643.36/924,652.80
  6. Step 6: Final answer
    x = 818,280.17

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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.