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Finding the Fourth Proportional to 310,732.02, 428,805.96 and 174,765.93

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Solution

The fourth proportional to 310,732.02, 428,805.96 and 174,765.93 is: 241,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,732.02 : 428,805.96 = 174,765.93 : x
  2. Step 2: Convert to fraction form
    310,732.02/428,805.96 = 174,765.93/x
  3. Step 3: Cross multiply
    310,732.02x = 428,805.96 × 174,765.93
  4. Step 4: Simplify right side
    310,732.02x = 74,940,671,052.55
  5. Step 5: Solve for x
    x = 74,940,671,052.55/310,732.02
  6. Step 6: Final answer
    x = 241,174.60

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1.5x scale

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.