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Finding the Fourth Proportional to 675,664.48, 932,416.92 and 369,740.92

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Solution

The fourth proportional to 675,664.48, 932,416.92 and 369,740.92 is: 510,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,664.48 : 932,416.92 = 369,740.92 : x
  2. Step 2: Convert to fraction form
    675,664.48/932,416.92 = 369,740.92/x
  3. Step 3: Cross multiply
    675,664.48x = 932,416.92 × 369,740.92
  4. Step 4: Simplify right side
    675,664.48x = 344,752,689,824.37
  5. Step 5: Solve for x
    x = 344,752,689,824.37/675,664.48
  6. Step 6: Final answer
    x = 510,242.44

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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.