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Finding the Fourth Proportional to 542,592,617.70, 760,650,031.50 and 542,592,617.70

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Solution

The fourth proportional to 542,592,617.70, 760,650,031.50 and 542,592,617.70 is: 760,650,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,592,617.70 : 760,650,031.50 = 542,592,617.70 : x
  2. Step 2: Convert to fraction form
    542,592,617.70/760,650,031.50 = 542,592,617.70/x
  3. Step 3: Cross multiply
    542,592,617.70x = 760,650,031.50 × 542,592,617.70
  4. Step 4: Simplify right side
    542,592,617.70x = 412,723,091,745,172,480
  5. Step 5: Solve for x
    x = 412,723,091,745,172,480/542,592,617.70
  6. Step 6: Final answer
    x = 760,650,031.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.