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Finding the Fourth Proportional to 448,186.92, 672,411.76 and 144,575.01

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Solution

The fourth proportional to 448,186.92, 672,411.76 and 144,575.01 is: 216,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,186.92 : 672,411.76 = 144,575.01 : x
  2. Step 2: Convert to fraction form
    448,186.92/672,411.76 = 144,575.01/x
  3. Step 3: Cross multiply
    448,186.92x = 672,411.76 × 144,575.01
  4. Step 4: Simplify right side
    448,186.92x = 97,213,938,862.46
  5. Step 5: Solve for x
    x = 97,213,938,862.46/448,186.92
  6. Step 6: Final answer
    x = 216,904.90

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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.