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Finding the Fourth Proportional to 658,026.68, 908,069.82 and 371,529.68

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Solution

The fourth proportional to 658,026.68, 908,069.82 and 371,529.68 is: 512,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,026.68 : 908,069.82 = 371,529.68 : x
  2. Step 2: Convert to fraction form
    658,026.68/908,069.82 = 371,529.68/x
  3. Step 3: Cross multiply
    658,026.68x = 908,069.82 × 371,529.68
  4. Step 4: Simplify right side
    658,026.68x = 337,374,889,642.26
  5. Step 5: Solve for x
    x = 337,374,889,642.26/658,026.68
  6. Step 6: Final answer
    x = 512,707.01

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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.