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Finding the Fourth Proportional to 546,754.24, 754,521.32 and 305,036.86

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Solution

The fourth proportional to 546,754.24, 754,521.32 and 305,036.86 is: 420,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,754.24 : 754,521.32 = 305,036.86 : x
  2. Step 2: Convert to fraction form
    546,754.24/754,521.32 = 305,036.86/x
  3. Step 3: Cross multiply
    546,754.24x = 754,521.32 × 305,036.86
  4. Step 4: Simplify right side
    546,754.24x = 230,156,814,255.86
  5. Step 5: Solve for x
    x = 230,156,814,255.86/546,754.24
  6. Step 6: Final answer
    x = 420,951.13

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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.