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Finding the Fourth Proportional to 503,693.42, 755,358.69 and 166,671.86

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Solution

The fourth proportional to 503,693.42, 755,358.69 and 166,671.86 is: 249,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,693.42 : 755,358.69 = 166,671.86 : x
  2. Step 2: Convert to fraction form
    503,693.42/755,358.69 = 166,671.86/x
  3. Step 3: Cross multiply
    503,693.42x = 755,358.69 × 166,671.86
  4. Step 4: Simplify right side
    503,693.42x = 125,897,037,829.46
  5. Step 5: Solve for x
    x = 125,897,037,829.46/503,693.42
  6. Step 6: Final answer
    x = 249,947.75

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1.5x scale

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.