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Finding the Fourth Proportional to 573,973,139.55, 805,092,945.45 and 573,973,139.55

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Solution

The fourth proportional to 573,973,139.55, 805,092,945.45 and 573,973,139.55 is: 805,092,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,973,139.55 : 805,092,945.45 = 573,973,139.55 : x
  2. Step 2: Convert to fraction form
    573,973,139.55/805,092,945.45 = 573,973,139.55/x
  3. Step 3: Cross multiply
    573,973,139.55x = 805,092,945.45 × 573,973,139.55
  4. Step 4: Simplify right side
    573,973,139.55x = 462,101,725,529,493,376
  5. Step 5: Solve for x
    x = 462,101,725,529,493,376/573,973,139.55
  6. Step 6: Final answer
    x = 805,092,945.45

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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.