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Finding the Fourth Proportional to 335,254.60, 502,549.74 and 157,443.30

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Solution

The fourth proportional to 335,254.60, 502,549.74 and 157,443.30 is: 236,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,254.60 : 502,549.74 = 157,443.30 : x
  2. Step 2: Convert to fraction form
    335,254.60/502,549.74 = 157,443.30/x
  3. Step 3: Cross multiply
    335,254.60x = 502,549.74 × 157,443.30
  4. Step 4: Simplify right side
    335,254.60x = 79,123,089,479.74
  5. Step 5: Solve for x
    x = 79,123,089,479.74/335,254.60
  6. Step 6: Final answer
    x = 236,008.96

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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.