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Finding the Fourth Proportional to 675,680.48, 932,439 and 369,756.92

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Solution

The fourth proportional to 675,680.48, 932,439 and 369,756.92 is: 510,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,680.48 : 932,439 = 369,756.92 : x
  2. Step 2: Convert to fraction form
    675,680.48/932,439 = 369,756.92/x
  3. Step 3: Cross multiply
    675,680.48x = 932,439 × 369,756.92
  4. Step 4: Simplify right side
    675,680.48x = 344,775,772,727.88
  5. Step 5: Solve for x
    x = 344,775,772,727.88/675,680.48
  6. Step 6: Final answer
    x = 510,264.52

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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.