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Finding the Fourth Proportional to 294,674.22, 442,320.55 and 261,154.71

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Solution

The fourth proportional to 294,674.22, 442,320.55 and 261,154.71 is: 392,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,674.22 : 442,320.55 = 261,154.71 : x
  2. Step 2: Convert to fraction form
    294,674.22/442,320.55 = 261,154.71/x
  3. Step 3: Cross multiply
    294,674.22x = 442,320.55 × 261,154.71
  4. Step 4: Simplify right side
    294,674.22x = 115,514,094,309.40
  5. Step 5: Solve for x
    x = 115,514,094,309.40/294,674.22
  6. Step 6: Final answer
    x = 392,006.11

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1.5x scale

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.