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Finding the Fourth Proportional to 537,804,572.70, 806,706,859.05 and 354,138,563.10

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Solution

The fourth proportional to 537,804,572.70, 806,706,859.05 and 354,138,563.10 is: 531,207,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,804,572.70 : 806,706,859.05 = 354,138,563.10 : x
  2. Step 2: Convert to fraction form
    537,804,572.70/806,706,859.05 = 354,138,563.10/x
  3. Step 3: Cross multiply
    537,804,572.70x = 806,706,859.05 × 354,138,563.10
  4. Step 4: Simplify right side
    537,804,572.70x = 285,686,007,906,881,248
  5. Step 5: Solve for x
    x = 285,686,007,906,881,248/537,804,572.70
  6. Step 6: Final answer
    x = 531,207,844.65

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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.