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Finding the Fourth Proportional to 245,211.96, 338,547.42 and 160,472.28

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Solution

The fourth proportional to 245,211.96, 338,547.42 and 160,472.28 is: 221,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,211.96 : 338,547.42 = 160,472.28 : x
  2. Step 2: Convert to fraction form
    245,211.96/338,547.42 = 160,472.28/x
  3. Step 3: Cross multiply
    245,211.96x = 338,547.42 × 160,472.28
  4. Step 4: Simplify right side
    245,211.96x = 54,327,476,375.52
  5. Step 5: Solve for x
    x = 54,327,476,375.52/245,211.96
  6. Step 6: Final answer
    x = 221,553.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.