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Finding the Fourth Proportional to 675,995.32, 932,873.55 and 374,189.32

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Solution

The fourth proportional to 675,995.32, 932,873.55 and 374,189.32 is: 516,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,995.32 : 932,873.55 = 374,189.32 : x
  2. Step 2: Convert to fraction form
    675,995.32/932,873.55 = 374,189.32/x
  3. Step 3: Cross multiply
    675,995.32x = 932,873.55 × 374,189.32
  4. Step 4: Simplify right side
    675,995.32x = 349,071,319,320.49
  5. Step 5: Solve for x
    x = 349,071,319,320.49/675,995.32
  6. Step 6: Final answer
    x = 516,381.27

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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.