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Finding the Fourth Proportional to 535,368.67, 803,145.95 and 180,385.76

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Solution

The fourth proportional to 535,368.67, 803,145.95 and 180,385.76 is: 270,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,368.67 : 803,145.95 = 180,385.76 : x
  2. Step 2: Convert to fraction form
    535,368.67/803,145.95 = 180,385.76/x
  3. Step 3: Cross multiply
    535,368.67x = 803,145.95 × 180,385.76
  4. Step 4: Simplify right side
    535,368.67x = 144,876,092,581.67
  5. Step 5: Solve for x
    x = 144,876,092,581.67/535,368.67
  6. Step 6: Final answer
    x = 270,609.96

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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.