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Finding the Fourth Proportional to 581,073.75, 871,660.80 and 160,349.58

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Solution

The fourth proportional to 581,073.75, 871,660.80 and 160,349.58 is: 240,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,073.75 : 871,660.80 = 160,349.58 : x
  2. Step 2: Convert to fraction form
    581,073.75/871,660.80 = 160,349.58/x
  3. Step 3: Cross multiply
    581,073.75x = 871,660.80 × 160,349.58
  4. Step 4: Simplify right side
    581,073.75x = 139,770,443,182.46
  5. Step 5: Solve for x
    x = 139,770,443,182.46/581,073.75
  6. Step 6: Final answer
    x = 240,538.22

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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.