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Finding the Fourth Proportional to 675,917.63, 932,780.91 and 374,111.63

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Solution

The fourth proportional to 675,917.63, 932,780.91 and 374,111.63 is: 516,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,917.63 : 932,780.91 = 374,111.63 : x
  2. Step 2: Convert to fraction form
    675,917.63/932,780.91 = 374,111.63/x
  3. Step 3: Cross multiply
    675,917.63x = 932,780.91 × 374,111.63
  4. Step 4: Simplify right side
    675,917.63x = 348,964,182,009.08
  5. Step 5: Solve for x
    x = 348,964,182,009.08/675,917.63
  6. Step 6: Final answer
    x = 516,282.12

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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.