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Finding the Fourth Proportional to 675,631.11, 932,382.74 and 369,734.61

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Solution

The fourth proportional to 675,631.11, 932,382.74 and 369,734.61 is: 510,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,631.11 : 932,382.74 = 369,734.61 : x
  2. Step 2: Convert to fraction form
    675,631.11/932,382.74 = 369,734.61/x
  3. Step 3: Cross multiply
    675,631.11x = 932,382.74 × 369,734.61
  4. Step 4: Simplify right side
    675,631.11x = 344,734,168,744.63
  5. Step 5: Solve for x
    x = 344,734,168,744.63/675,631.11
  6. Step 6: Final answer
    x = 510,240.22

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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.