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Finding the Fourth Proportional to 444,359.92, 612,578.77 and 316,814.08

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Solution

The fourth proportional to 444,359.92, 612,578.77 and 316,814.08 is: 436,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,359.92 : 612,578.77 = 316,814.08 : x
  2. Step 2: Convert to fraction form
    444,359.92/612,578.77 = 316,814.08/x
  3. Step 3: Cross multiply
    444,359.92x = 612,578.77 × 316,814.08
  4. Step 4: Simplify right side
    444,359.92x = 194,073,575,590.15
  5. Step 5: Solve for x
    x = 194,073,575,590.15/444,359.92
  6. Step 6: Final answer
    x = 436,748.61

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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.