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Finding the Fourth Proportional to 529,606.76, 730,673.70 and 338,731.88

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Solution

The fourth proportional to 529,606.76, 730,673.70 and 338,731.88 is: 467,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,606.76 : 730,673.70 = 338,731.88 : x
  2. Step 2: Convert to fraction form
    529,606.76/730,673.70 = 338,731.88/x
  3. Step 3: Cross multiply
    529,606.76x = 730,673.70 × 338,731.88
  4. Step 4: Simplify right side
    529,606.76x = 247,502,476,067.56
  5. Step 5: Solve for x
    x = 247,502,476,067.56/529,606.76
  6. Step 6: Final answer
    x = 467,332.55

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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.