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Finding the Fourth Proportional to 604,754,878.80, 907,132,318.20 and 298,644,862.80

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Solution

The fourth proportional to 604,754,878.80, 907,132,318.20 and 298,644,862.80 is: 447,967,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,754,878.80 : 907,132,318.20 = 298,644,862.80 : x
  2. Step 2: Convert to fraction form
    604,754,878.80/907,132,318.20 = 298,644,862.80/x
  3. Step 3: Cross multiply
    604,754,878.80x = 907,132,318.20 × 298,644,862.80
  4. Step 4: Simplify right side
    604,754,878.80x = 270,910,406,710,284,960
  5. Step 5: Solve for x
    x = 270,910,406,710,284,960/604,754,878.80
  6. Step 6: Final answer
    x = 447,967,294.20

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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.