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Finding the Fourth Proportional to 338,343.30, 506,825.28 and 160,310.52

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Solution

The fourth proportional to 338,343.30, 506,825.28 and 160,310.52 is: 240,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,343.30 : 506,825.28 = 160,310.52 : x
  2. Step 2: Convert to fraction form
    338,343.30/506,825.28 = 160,310.52/x
  3. Step 3: Cross multiply
    338,343.30x = 506,825.28 × 160,310.52
  4. Step 4: Simplify right side
    338,343.30x = 81,249,424,185.95
  5. Step 5: Solve for x
    x = 81,249,424,185.95/338,343.30
  6. Step 6: Final answer
    x = 240,139.01

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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.