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Finding the Fourth Proportional to 524,625,698.88, 786,801,204.72 and 156,061,358.64

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Solution

The fourth proportional to 524,625,698.88, 786,801,204.72 and 156,061,358.64 is: 234,051,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,625,698.88 : 786,801,204.72 = 156,061,358.64 : x
  2. Step 2: Convert to fraction form
    524,625,698.88/786,801,204.72 = 156,061,358.64/x
  3. Step 3: Cross multiply
    524,625,698.88x = 786,801,204.72 × 156,061,358.64
  4. Step 4: Simplify right side
    524,625,698.88x = 122,789,264,988,191,968
  5. Step 5: Solve for x
    x = 122,789,264,988,191,968/524,625,698.88
  6. Step 6: Final answer
    x = 234,051,182.11

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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.