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Finding the Fourth Proportional to 202,912,963.90, 304,369,445.85 and 202,912,963.90

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Solution

The fourth proportional to 202,912,963.90, 304,369,445.85 and 202,912,963.90 is: 304,369,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,912,963.90 : 304,369,445.85 = 202,912,963.90 : x
  2. Step 2: Convert to fraction form
    202,912,963.90/304,369,445.85 = 202,912,963.90/x
  3. Step 3: Cross multiply
    202,912,963.90x = 304,369,445.85 × 202,912,963.90
  4. Step 4: Simplify right side
    202,912,963.90x = 61,760,506,378,024,064
  5. Step 5: Solve for x
    x = 61,760,506,378,024,064/202,912,963.90
  6. Step 6: Final answer
    x = 304,369,445.85

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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.