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Finding the Fourth Proportional to 1,566,139.60, 2,344,543.80 and 934,728.40

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Solution

The fourth proportional to 1,566,139.60, 2,344,543.80 and 934,728.40 is: 1,399,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,139.60 : 2,344,543.80 = 934,728.40 : x
  2. Step 2: Convert to fraction form
    1,566,139.60/2,344,543.80 = 934,728.40/x
  3. Step 3: Cross multiply
    1,566,139.60x = 2,344,543.80 × 934,728.40
  4. Step 4: Simplify right side
    1,566,139.60x = 2,191,511,674,903.92
  5. Step 5: Solve for x
    x = 2,191,511,674,903.92/1,566,139.60
  6. Step 6: Final answer
    x = 1,399,308.00

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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.