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Finding the Fourth Proportional to 875,314.26, 1,311,866.94 and 469,500.02

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Solution

The fourth proportional to 875,314.26, 1,311,866.94 and 469,500.02 is: 703,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,314.26 : 1,311,866.94 = 469,500.02 : x
  2. Step 2: Convert to fraction form
    875,314.26/1,311,866.94 = 469,500.02/x
  3. Step 3: Cross multiply
    875,314.26x = 1,311,866.94 × 469,500.02
  4. Step 4: Simplify right side
    875,314.26x = 615,921,548,008.00
  5. Step 5: Solve for x
    x = 615,921,548,008.00/875,314.26
  6. Step 6: Final answer
    x = 703,657.62

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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.