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Finding the Fourth Proportional to 613,973,862.30, 920,960,793.45 and 337,518,254.10

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Solution

The fourth proportional to 613,973,862.30, 920,960,793.45 and 337,518,254.10 is: 506,277,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,973,862.30 : 920,960,793.45 = 337,518,254.10 : x
  2. Step 2: Convert to fraction form
    613,973,862.30/920,960,793.45 = 337,518,254.10/x
  3. Step 3: Cross multiply
    613,973,862.30x = 920,960,793.45 × 337,518,254.10
  4. Step 4: Simplify right side
    613,973,862.30x = 310,841,079,099,794,752
  5. Step 5: Solve for x
    x = 310,841,079,099,794,752/613,973,862.30
  6. Step 6: Final answer
    x = 506,277,381.15

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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.