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Finding the Fourth Proportional to 587,653.80, 881,480.70 and 255,877.80

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Solution

The fourth proportional to 587,653.80, 881,480.70 and 255,877.80 is: 383,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,653.80 : 881,480.70 = 255,877.80 : x
  2. Step 2: Convert to fraction form
    587,653.80/881,480.70 = 255,877.80/x
  3. Step 3: Cross multiply
    587,653.80x = 881,480.70 × 255,877.80
  4. Step 4: Simplify right side
    587,653.80x = 225,551,342,258.46
  5. Step 5: Solve for x
    x = 225,551,342,258.46/587,653.80
  6. Step 6: Final answer
    x = 383,816.70

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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.