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Finding the Fourth Proportional to 375,233.60, 517,822.47 and 203,151.53

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Solution

The fourth proportional to 375,233.60, 517,822.47 and 203,151.53 is: 280,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,233.60 : 517,822.47 = 203,151.53 : x
  2. Step 2: Convert to fraction form
    375,233.60/517,822.47 = 203,151.53/x
  3. Step 3: Cross multiply
    375,233.60x = 517,822.47 × 203,151.53
  4. Step 4: Simplify right side
    375,233.60x = 105,196,424,459.77
  5. Step 5: Solve for x
    x = 105,196,424,459.77/375,233.60
  6. Step 6: Final answer
    x = 280,349.16

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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.