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Finding the Fourth Proportional to 658,369,530.80, 987,554,296.20 and 597,903,354.80

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Solution

The fourth proportional to 658,369,530.80, 987,554,296.20 and 597,903,354.80 is: 896,855,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,369,530.80 : 987,554,296.20 = 597,903,354.80 : x
  2. Step 2: Convert to fraction form
    658,369,530.80/987,554,296.20 = 597,903,354.80/x
  3. Step 3: Cross multiply
    658,369,530.80x = 987,554,296.20 × 597,903,354.80
  4. Step 4: Simplify right side
    658,369,530.80x = 590,462,026,745,132,928
  5. Step 5: Solve for x
    x = 590,462,026,745,132,928/658,369,530.80
  6. Step 6: Final answer
    x = 896,855,032.20

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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.