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Finding the Fourth Proportional to 475,065,141.40, 712,597,712.10 and 475,065,141.40

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Solution

The fourth proportional to 475,065,141.40, 712,597,712.10 and 475,065,141.40 is: 712,597,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,065,141.40 : 712,597,712.10 = 475,065,141.40 : x
  2. Step 2: Convert to fraction form
    475,065,141.40/712,597,712.10 = 475,065,141.40/x
  3. Step 3: Cross multiply
    475,065,141.40x = 712,597,712.10 × 475,065,141.40
  4. Step 4: Simplify right side
    475,065,141.40x = 338,530,332,860,102,976
  5. Step 5: Solve for x
    x = 338,530,332,860,102,976/475,065,141.40
  6. Step 6: Final answer
    x = 712,597,712.10

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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.