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Finding the Fourth Proportional to 532,062.77, 734,139.05 and 338,547.29

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Solution

The fourth proportional to 532,062.77, 734,139.05 and 338,547.29 is: 467,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,062.77 : 734,139.05 = 338,547.29 : x
  2. Step 2: Convert to fraction form
    532,062.77/734,139.05 = 338,547.29/x
  3. Step 3: Cross multiply
    532,062.77x = 734,139.05 × 338,547.29
  4. Step 4: Simplify right side
    532,062.77x = 248,540,780,497.24
  5. Step 5: Solve for x
    x = 248,540,780,497.24/532,062.77
  6. Step 6: Final answer
    x = 467,126.81

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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.