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Finding the Fourth Proportional to 675,694.08, 932,419.20 and 373,870.08

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Solution

The fourth proportional to 675,694.08, 932,419.20 and 373,870.08 is: 515,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,694.08 : 932,419.20 = 373,870.08 : x
  2. Step 2: Convert to fraction form
    675,694.08/932,419.20 = 373,870.08/x
  3. Step 3: Cross multiply
    675,694.08x = 932,419.20 × 373,870.08
  4. Step 4: Simplify right side
    675,694.08x = 348,603,640,897.54
  5. Step 5: Solve for x
    x = 348,603,640,897.54/675,694.08
  6. Step 6: Final answer
    x = 515,919.34

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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.