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Finding the Fourth Proportional to 662,354.84, 913,997.57 and 375,874.93

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Solution

The fourth proportional to 662,354.84, 913,997.57 and 375,874.93 is: 518,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,354.84 : 913,997.57 = 375,874.93 : x
  2. Step 2: Convert to fraction form
    662,354.84/913,997.57 = 375,874.93/x
  3. Step 3: Cross multiply
    662,354.84x = 913,997.57 × 375,874.93
  4. Step 4: Simplify right side
    662,354.84x = 343,548,771,298.61
  5. Step 5: Solve for x
    x = 343,548,771,298.61/662,354.84
  6. Step 6: Final answer
    x = 518,677.83

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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.