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Finding the Fourth Proportional to 546,817.30, 754,534.65 and 305,064.70

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Solution

The fourth proportional to 546,817.30, 754,534.65 and 305,064.70 is: 420,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,817.30 : 754,534.65 = 305,064.70 : x
  2. Step 2: Convert to fraction form
    546,817.30/754,534.65 = 305,064.70/x
  3. Step 3: Cross multiply
    546,817.30x = 754,534.65 × 305,064.70
  4. Step 4: Simplify right side
    546,817.30x = 230,181,886,641.86
  5. Step 5: Solve for x
    x = 230,181,886,641.86/546,817.30
  6. Step 6: Final answer
    x = 420,948.43

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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.