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Finding the Fourth Proportional to 1,566,253.60, 2,344,714.80 and 934,842.40

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Solution

The fourth proportional to 1,566,253.60, 2,344,714.80 and 934,842.40 is: 1,399,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,253.60 : 2,344,714.80 = 934,842.40 : x
  2. Step 2: Convert to fraction form
    1,566,253.60/2,344,714.80 = 934,842.40/x
  3. Step 3: Cross multiply
    1,566,253.60x = 2,344,714.80 × 934,842.40
  4. Step 4: Simplify right side
    1,566,253.60x = 2,191,938,810,947.52
  5. Step 5: Solve for x
    x = 2,191,938,810,947.52/1,566,253.60
  6. Step 6: Final answer
    x = 1,399,478.87

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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.