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Finding the Fourth Proportional to 351,248.40, 526,494.74 and 151,662.78

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Solution

The fourth proportional to 351,248.40, 526,494.74 and 151,662.78 is: 227,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,248.40 : 526,494.74 = 151,662.78 : x
  2. Step 2: Convert to fraction form
    351,248.40/526,494.74 = 151,662.78/x
  3. Step 3: Cross multiply
    351,248.40x = 526,494.74 × 151,662.78
  4. Step 4: Simplify right side
    351,248.40x = 79,849,655,165.46
  5. Step 5: Solve for x
    x = 79,849,655,165.46/351,248.40
  6. Step 6: Final answer
    x = 227,331.01

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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.