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Finding the Fourth Proportional to 658,391.34, 908,577.24 and 368,002.52

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Solution

The fourth proportional to 658,391.34, 908,577.24 and 368,002.52 is: 507,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,391.34 : 908,577.24 = 368,002.52 : x
  2. Step 2: Convert to fraction form
    658,391.34/908,577.24 = 368,002.52/x
  3. Step 3: Cross multiply
    658,391.34x = 908,577.24 × 368,002.52
  4. Step 4: Simplify right side
    658,391.34x = 334,358,709,391.76
  5. Step 5: Solve for x
    x = 334,358,709,391.76/658,391.34
  6. Step 6: Final answer
    x = 507,841.90

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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.