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Finding the Fourth Proportional to 546,412.98, 754,054.20 and 304,711.20

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Solution

The fourth proportional to 546,412.98, 754,054.20 and 304,711.20 is: 420,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,412.98 : 754,054.20 = 304,711.20 : x
  2. Step 2: Convert to fraction form
    546,412.98/754,054.20 = 304,711.20/x
  3. Step 3: Cross multiply
    546,412.98x = 754,054.20 × 304,711.20
  4. Step 4: Simplify right side
    546,412.98x = 229,768,760,147.04
  5. Step 5: Solve for x
    x = 229,768,760,147.04/546,412.98
  6. Step 6: Final answer
    x = 420,503.85

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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.