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Finding the Fourth Proportional to 439,677.01, 659,177.58 and 223,357.90

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Solution

The fourth proportional to 439,677.01, 659,177.58 and 223,357.90 is: 334,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,677.01 : 659,177.58 = 223,357.90 : x
  2. Step 2: Convert to fraction form
    439,677.01/659,177.58 = 223,357.90/x
  3. Step 3: Cross multiply
    439,677.01x = 659,177.58 × 223,357.90
  4. Step 4: Simplify right side
    439,677.01x = 147,232,518,347.94
  5. Step 5: Solve for x
    x = 147,232,518,347.94/439,677.01
  6. Step 6: Final answer
    x = 334,865.18

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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.