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Finding the Fourth Proportional to 448,590.60, 672,953.13 and 144,883.26

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Solution

The fourth proportional to 448,590.60, 672,953.13 and 144,883.26 is: 217,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,590.60 : 672,953.13 = 144,883.26 : x
  2. Step 2: Convert to fraction form
    448,590.60/672,953.13 = 144,883.26/x
  3. Step 3: Cross multiply
    448,590.60x = 672,953.13 × 144,883.26
  4. Step 4: Simplify right side
    448,590.60x = 97,499,643,301.60
  5. Step 5: Solve for x
    x = 97,499,643,301.60/448,590.60
  6. Step 6: Final answer
    x = 217,346.60

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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.