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Finding the Fourth Proportional to 587,653.20, 881,479.80 and 255,877.20

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Solution

The fourth proportional to 587,653.20, 881,479.80 and 255,877.20 is: 383,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,653.20 : 881,479.80 = 255,877.20 : x
  2. Step 2: Convert to fraction form
    587,653.20/881,479.80 = 255,877.20/x
  3. Step 3: Cross multiply
    587,653.20x = 881,479.80 × 255,877.20
  4. Step 4: Simplify right side
    587,653.20x = 225,550,583,080.56
  5. Step 5: Solve for x
    x = 225,550,583,080.56/587,653.20
  6. Step 6: Final answer
    x = 383,815.80

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Similar ratio
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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.