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Finding the Fourth Proportional to 559,451.88, 838,980.18 and 180,357.30

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Solution

The fourth proportional to 559,451.88, 838,980.18 and 180,357.30 is: 270,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,451.88 : 838,980.18 = 180,357.30 : x
  2. Step 2: Convert to fraction form
    559,451.88/838,980.18 = 180,357.30/x
  3. Step 3: Cross multiply
    559,451.88x = 838,980.18 × 180,357.30
  4. Step 4: Simplify right side
    559,451.88x = 151,316,200,018.31
  5. Step 5: Solve for x
    x = 151,316,200,018.31/559,451.88
  6. Step 6: Final answer
    x = 270,472.23

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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.