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Finding the Fourth Proportional to 675,660.47, 932,411.53 and 369,736.91

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Solution

The fourth proportional to 675,660.47, 932,411.53 and 369,736.91 is: 510,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,660.47 : 932,411.53 = 369,736.91 : x
  2. Step 2: Convert to fraction form
    675,660.47/932,411.53 = 369,736.91/x
  3. Step 3: Cross multiply
    675,660.47x = 932,411.53 × 369,736.91
  4. Step 4: Simplify right side
    675,660.47x = 344,746,955,860.72
  5. Step 5: Solve for x
    x = 344,746,955,860.72/675,660.47
  6. Step 6: Final answer
    x = 510,236.98

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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.