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Finding the Fourth Proportional to 658,337.02, 908,578.97 and 371,875.56

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Solution

The fourth proportional to 658,337.02, 908,578.97 and 371,875.56 is: 513,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,337.02 : 908,578.97 = 371,875.56 : x
  2. Step 2: Convert to fraction form
    658,337.02/908,578.97 = 371,875.56/x
  3. Step 3: Cross multiply
    658,337.02x = 908,578.97 × 371,875.56
  4. Step 4: Simplify right side
    658,337.02x = 337,878,311,492.76
  5. Step 5: Solve for x
    x = 337,878,311,492.76/658,337.02
  6. Step 6: Final answer
    x = 513,230.01

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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.