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Finding the Fourth Proportional to 448,946.72, 671,756.76 and 359,930.96

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Solution

The fourth proportional to 448,946.72, 671,756.76 and 359,930.96 is: 538,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,946.72 : 671,756.76 = 359,930.96 : x
  2. Step 2: Convert to fraction form
    448,946.72/671,756.76 = 359,930.96/x
  3. Step 3: Cross multiply
    448,946.72x = 671,756.76 × 359,930.96
  4. Step 4: Simplify right side
    448,946.72x = 241,786,055,513.29
  5. Step 5: Solve for x
    x = 241,786,055,513.29/448,946.72
  6. Step 6: Final answer
    x = 538,562.92

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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.