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Finding the Fourth Proportional to 675,664.06, 932,416.50 and 369,740.51

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Solution

The fourth proportional to 675,664.06, 932,416.50 and 369,740.51 is: 510,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,664.06 : 932,416.50 = 369,740.51 : x
  2. Step 2: Convert to fraction form
    675,664.06/932,416.50 = 369,740.51/x
  3. Step 3: Cross multiply
    675,664.06x = 932,416.50 × 369,740.51
  4. Step 4: Simplify right side
    675,664.06x = 344,752,150,393.71
  5. Step 5: Solve for x
    x = 344,752,150,393.71/675,664.06
  6. Step 6: Final answer
    x = 510,241.96

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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.