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Finding the Fourth Proportional to 535,339.39, 738,789.03 and 293,632.15

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Solution

The fourth proportional to 535,339.39, 738,789.03 and 293,632.15 is: 405,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,339.39 : 738,789.03 = 293,632.15 : x
  2. Step 2: Convert to fraction form
    535,339.39/738,789.03 = 293,632.15/x
  3. Step 3: Cross multiply
    535,339.39x = 738,789.03 × 293,632.15
  4. Step 4: Simplify right side
    535,339.39x = 216,932,211,275.32
  5. Step 5: Solve for x
    x = 216,932,211,275.32/535,339.39
  6. Step 6: Final answer
    x = 405,223.71

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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.