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Finding the Fourth Proportional to 477,695.92, 659,514.92 and 328,769.46

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Solution

The fourth proportional to 477,695.92, 659,514.92 and 328,769.46 is: 453,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,695.92 : 659,514.92 = 328,769.46 : x
  2. Step 2: Convert to fraction form
    477,695.92/659,514.92 = 328,769.46/x
  3. Step 3: Cross multiply
    477,695.92x = 659,514.92 × 328,769.46
  4. Step 4: Simplify right side
    477,695.92x = 216,828,364,110.34
  5. Step 5: Solve for x
    x = 216,828,364,110.34/477,695.92
  6. Step 6: Final answer
    x = 453,904.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.