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Finding the Fourth Proportional to 347,689,733.60, 521,534,600.40 and 347,689,733.60

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Solution

The fourth proportional to 347,689,733.60, 521,534,600.40 and 347,689,733.60 is: 521,534,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,689,733.60 : 521,534,600.40 = 347,689,733.60 : x
  2. Step 2: Convert to fraction form
    347,689,733.60/521,534,600.40 = 347,689,733.60/x
  3. Step 3: Cross multiply
    347,689,733.60x = 521,534,600.40 × 347,689,733.60
  4. Step 4: Simplify right side
    347,689,733.60x = 181,332,226,276,258,464
  5. Step 5: Solve for x
    x = 181,332,226,276,258,464/347,689,733.60
  6. Step 6: Final answer
    x = 521,534,600.40

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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.