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Finding the Fourth Proportional to 487,965.69, 732,018.50 and 151,035.93

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Solution

The fourth proportional to 487,965.69, 732,018.50 and 151,035.93 is: 226,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,965.69 : 732,018.50 = 151,035.93 : x
  2. Step 2: Convert to fraction form
    487,965.69/732,018.50 = 151,035.93/x
  3. Step 3: Cross multiply
    487,965.69x = 732,018.50 × 151,035.93
  4. Step 4: Simplify right side
    487,965.69x = 110,561,094,169.53
  5. Step 5: Solve for x
    x = 110,561,094,169.53/487,965.69
  6. Step 6: Final answer
    x = 226,575.55

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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.