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Finding the Fourth Proportional to 587,615.40, 881,423.10 and 536,005.80

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Solution

The fourth proportional to 587,615.40, 881,423.10 and 536,005.80 is: 804,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,615.40 : 881,423.10 = 536,005.80 : x
  2. Step 2: Convert to fraction form
    587,615.40/881,423.10 = 536,005.80/x
  3. Step 3: Cross multiply
    587,615.40x = 881,423.10 × 536,005.80
  4. Step 4: Simplify right side
    587,615.40x = 472,447,893,853.98
  5. Step 5: Solve for x
    x = 472,447,893,853.98/587,615.40
  6. Step 6: Final answer
    x = 804,008.70

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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.