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Finding the Fourth Proportional to 573,973,117.80, 805,092,915 and 573,973,117.80

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Solution

The fourth proportional to 573,973,117.80, 805,092,915 and 573,973,117.80 is: 805,092,915

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,973,117.80 : 805,092,915 = 573,973,117.80 : x
  2. Step 2: Convert to fraction form
    573,973,117.80/805,092,915 = 573,973,117.80/x
  3. Step 3: Cross multiply
    573,973,117.80x = 805,092,915 × 573,973,117.80
  4. Step 4: Simplify right side
    573,973,117.80x = 462,101,690,541,240,320
  5. Step 5: Solve for x
    x = 462,101,690,541,240,320/573,973,117.80
  6. Step 6: Final answer
    x = 805,092,915

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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.