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Finding the Fourth Proportional to 587,675.25, 881,512.74 and 387,948.87

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Solution

The fourth proportional to 587,675.25, 881,512.74 and 387,948.87 is: 581,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,675.25 : 881,512.74 = 387,948.87 : x
  2. Step 2: Convert to fraction form
    587,675.25/881,512.74 = 387,948.87/x
  3. Step 3: Cross multiply
    587,675.25x = 881,512.74 × 387,948.87
  4. Step 4: Simplify right side
    587,675.25x = 341,981,871,373.60
  5. Step 5: Solve for x
    x = 341,981,871,373.60/587,675.25
  6. Step 6: Final answer
    x = 581,923.22

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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.