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Finding the Fourth Proportional to 647,624.70, 971,437.05 and 363,023.10

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Solution

The fourth proportional to 647,624.70, 971,437.05 and 363,023.10 is: 544,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,624.70 : 971,437.05 = 363,023.10 : x
  2. Step 2: Convert to fraction form
    647,624.70/971,437.05 = 363,023.10/x
  3. Step 3: Cross multiply
    647,624.70x = 971,437.05 × 363,023.10
  4. Step 4: Simplify right side
    647,624.70x = 352,654,089,345.86
  5. Step 5: Solve for x
    x = 352,654,089,345.86/647,624.70
  6. Step 6: Final answer
    x = 544,534.65

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Similar ratio
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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.