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Finding the Fourth Proportional to 375,781.55, 563,532.39 and 151,066.35

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Solution

The fourth proportional to 375,781.55, 563,532.39 and 151,066.35 is: 226,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,781.55 : 563,532.39 = 151,066.35 : x
  2. Step 2: Convert to fraction form
    375,781.55/563,532.39 = 151,066.35/x
  3. Step 3: Cross multiply
    375,781.55x = 563,532.39 × 151,066.35
  4. Step 4: Simplify right side
    375,781.55x = 85,130,781,264.08
  5. Step 5: Solve for x
    x = 85,130,781,264.08/375,781.55
  6. Step 6: Final answer
    x = 226,543.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.