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Finding the Fourth Proportional to 895,104.60, 1,342,656.90 and 516,672.60

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Solution

The fourth proportional to 895,104.60, 1,342,656.90 and 516,672.60 is: 775,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,104.60 : 1,342,656.90 = 516,672.60 : x
  2. Step 2: Convert to fraction form
    895,104.60/1,342,656.90 = 516,672.60/x
  3. Step 3: Cross multiply
    895,104.60x = 1,342,656.90 × 516,672.60
  4. Step 4: Simplify right side
    895,104.60x = 693,714,031,430.94
  5. Step 5: Solve for x
    x = 693,714,031,430.94/895,104.60
  6. Step 6: Final answer
    x = 775,008.90

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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.