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Finding the Fourth Proportional to 467,276.65, 644,842.34 and 252,416.72

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Solution

The fourth proportional to 467,276.65, 644,842.34 and 252,416.72 is: 348,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,276.65 : 644,842.34 = 252,416.72 : x
  2. Step 2: Convert to fraction form
    467,276.65/644,842.34 = 252,416.72/x
  3. Step 3: Cross multiply
    467,276.65x = 644,842.34 × 252,416.72
  4. Step 4: Simplify right side
    467,276.65x = 162,768,985,786.76
  5. Step 5: Solve for x
    x = 162,768,985,786.76/467,276.65
  6. Step 6: Final answer
    x = 348,335.37

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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.