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Finding the Fourth Proportional to 448,559.76, 672,969.51 and 133,024.26

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Solution

The fourth proportional to 448,559.76, 672,969.51 and 133,024.26 is: 199,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,559.76 : 672,969.51 = 133,024.26 : x
  2. Step 2: Convert to fraction form
    448,559.76/672,969.51 = 133,024.26/x
  3. Step 3: Cross multiply
    448,559.76x = 672,969.51 × 133,024.26
  4. Step 4: Simplify right side
    448,559.76x = 89,521,271,070.31
  5. Step 5: Solve for x
    x = 89,521,271,070.31/448,559.76
  6. Step 6: Final answer
    x = 199,574.90

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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.