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Finding the Fourth Proportional to 395,774.35, 546,141.63 and 252,518.56

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Solution

The fourth proportional to 395,774.35, 546,141.63 and 252,518.56 is: 348,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,774.35 : 546,141.63 = 252,518.56 : x
  2. Step 2: Convert to fraction form
    395,774.35/546,141.63 = 252,518.56/x
  3. Step 3: Cross multiply
    395,774.35x = 546,141.63 × 252,518.56
  4. Step 4: Simplify right side
    395,774.35x = 137,910,897,963.65
  5. Step 5: Solve for x
    x = 137,910,897,963.65/395,774.35
  6. Step 6: Final answer
    x = 348,458.40

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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.