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Finding the Fourth Proportional to 364,624.30, 546,932.85 and 115,306.30

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Solution

The fourth proportional to 364,624.30, 546,932.85 and 115,306.30 is: 172,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,624.30 : 546,932.85 = 115,306.30 : x
  2. Step 2: Convert to fraction form
    364,624.30/546,932.85 = 115,306.30/x
  3. Step 3: Cross multiply
    364,624.30x = 546,932.85 × 115,306.30
  4. Step 4: Simplify right side
    364,624.30x = 63,064,803,281.96
  5. Step 5: Solve for x
    x = 63,064,803,281.96/364,624.30
  6. Step 6: Final answer
    x = 172,958.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.