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Finding the Fourth Proportional to 635,607,545.40, 953,411,318.10 and 328,993,644.60

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Solution

The fourth proportional to 635,607,545.40, 953,411,318.10 and 328,993,644.60 is: 493,490,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,607,545.40 : 953,411,318.10 = 328,993,644.60 : x
  2. Step 2: Convert to fraction form
    635,607,545.40/953,411,318.10 = 328,993,644.60/x
  3. Step 3: Cross multiply
    635,607,545.40x = 953,411,318.10 × 328,993,644.60
  4. Step 4: Simplify right side
    635,607,545.40x = 313,666,264,344,608,960
  5. Step 5: Solve for x
    x = 313,666,264,344,608,960/635,607,545.40
  6. Step 6: Final answer
    x = 493,490,466.90

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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.