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Finding the Fourth Proportional to 448,565.55, 672,845.13 and 164,275.59

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Solution

The fourth proportional to 448,565.55, 672,845.13 and 164,275.59 is: 246,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,565.55 : 672,845.13 = 164,275.59 : x
  2. Step 2: Convert to fraction form
    448,565.55/672,845.13 = 164,275.59/x
  3. Step 3: Cross multiply
    448,565.55x = 672,845.13 × 164,275.59
  4. Step 4: Simplify right side
    448,565.55x = 110,532,033,232.55
  5. Step 5: Solve for x
    x = 110,532,033,232.55/448,565.55
  6. Step 6: Final answer
    x = 246,412.22

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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.