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Finding the Fourth Proportional to 924,872.96, 1,276,361.88 and 537,686.48

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Solution

The fourth proportional to 924,872.96, 1,276,361.88 and 537,686.48 is: 742,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,872.96 : 1,276,361.88 = 537,686.48 : x
  2. Step 2: Convert to fraction form
    924,872.96/1,276,361.88 = 537,686.48/x
  3. Step 3: Cross multiply
    924,872.96x = 1,276,361.88 × 537,686.48
  4. Step 4: Simplify right side
    924,872.96x = 686,282,526,463.38
  5. Step 5: Solve for x
    x = 686,282,526,463.38/924,872.96
  6. Step 6: Final answer
    x = 742,028.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.