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Finding the Fourth Proportional to 535,437.70, 803,159.33 and 180,454.80

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Solution

The fourth proportional to 535,437.70, 803,159.33 and 180,454.80 is: 270,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,437.70 : 803,159.33 = 180,454.80 : x
  2. Step 2: Convert to fraction form
    535,437.70/803,159.33 = 180,454.80/x
  3. Step 3: Cross multiply
    535,437.70x = 803,159.33 × 180,454.80
  4. Step 4: Simplify right side
    535,437.70x = 144,933,955,618.94
  5. Step 5: Solve for x
    x = 144,933,955,618.94/535,437.70
  6. Step 6: Final answer
    x = 270,683.13

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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.