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Finding the Fourth Proportional to 587,801.20, 881,701.80 and 362,430.85

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Solution

The fourth proportional to 587,801.20, 881,701.80 and 362,430.85 is: 543,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,801.20 : 881,701.80 = 362,430.85 : x
  2. Step 2: Convert to fraction form
    587,801.20/881,701.80 = 362,430.85/x
  3. Step 3: Cross multiply
    587,801.20x = 881,701.80 × 362,430.85
  4. Step 4: Simplify right side
    587,801.20x = 319,555,932,820.53
  5. Step 5: Solve for x
    x = 319,555,932,820.53/587,801.20
  6. Step 6: Final answer
    x = 543,646.28

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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.