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Finding the Fourth Proportional to 546,612.30, 754,326.18 and 304,888.68

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Solution

The fourth proportional to 546,612.30, 754,326.18 and 304,888.68 is: 420,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,612.30 : 754,326.18 = 304,888.68 : x
  2. Step 2: Convert to fraction form
    546,612.30/754,326.18 = 304,888.68/x
  3. Step 3: Cross multiply
    546,612.30x = 754,326.18 × 304,888.68
  4. Step 4: Simplify right side
    546,612.30x = 229,985,513,309.64
  5. Step 5: Solve for x
    x = 229,985,513,309.64/546,612.30
  6. Step 6: Final answer
    x = 420,747.05

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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.