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Finding the Fourth Proportional to 442,878.07, 611,191.19 and 249,298.27

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Solution

The fourth proportional to 442,878.07, 611,191.19 and 249,298.27 is: 344,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,878.07 : 611,191.19 = 249,298.27 : x
  2. Step 2: Convert to fraction form
    442,878.07/611,191.19 = 249,298.27/x
  3. Step 3: Cross multiply
    442,878.07x = 611,191.19 × 249,298.27
  4. Step 4: Simplify right side
    442,878.07x = 152,368,906,306.24
  5. Step 5: Solve for x
    x = 152,368,906,306.24/442,878.07
  6. Step 6: Final answer
    x = 344,042.56

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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.