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Finding the Fourth Proportional to 372,838.92, 514,341.81 and 252,022.38

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Solution

The fourth proportional to 372,838.92, 514,341.81 and 252,022.38 is: 347,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,838.92 : 514,341.81 = 252,022.38 : x
  2. Step 2: Convert to fraction form
    372,838.92/514,341.81 = 252,022.38/x
  3. Step 3: Cross multiply
    372,838.92x = 514,341.81 × 252,022.38
  4. Step 4: Simplify right side
    372,838.92x = 129,625,647,089.71
  5. Step 5: Solve for x
    x = 129,625,647,089.71/372,838.92
  6. Step 6: Final answer
    x = 347,671.98

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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.