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Finding the Fourth Proportional to 546,471.86, 754,129.68 and 304,754.69

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Solution

The fourth proportional to 546,471.86, 754,129.68 and 304,754.69 is: 420,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,471.86 : 754,129.68 = 304,754.69 : x
  2. Step 2: Convert to fraction form
    546,471.86/754,129.68 = 304,754.69/x
  3. Step 3: Cross multiply
    546,471.86x = 754,129.68 × 304,754.69
  4. Step 4: Simplify right side
    546,471.86x = 229,824,556,848.20
  5. Step 5: Solve for x
    x = 229,824,556,848.20/546,471.86
  6. Step 6: Final answer
    x = 420,560.64

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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.