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Finding the Fourth Proportional to 546,750.32, 754,514.33 and 305,018.47

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Solution

The fourth proportional to 546,750.32, 754,514.33 and 305,018.47 is: 420,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,750.32 : 754,514.33 = 305,018.47 : x
  2. Step 2: Convert to fraction form
    546,750.32/754,514.33 = 305,018.47/x
  3. Step 3: Cross multiply
    546,750.32x = 754,514.33 × 305,018.47
  4. Step 4: Simplify right side
    546,750.32x = 230,140,806,529.68
  5. Step 5: Solve for x
    x = 230,140,806,529.68/546,750.32
  6. Step 6: Final answer
    x = 420,924.87

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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.