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Finding the Fourth Proportional to 477,694.92, 659,513.54 and 328,768.46

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Solution

The fourth proportional to 477,694.92, 659,513.54 and 328,768.46 is: 453,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,694.92 : 659,513.54 = 328,768.46 : x
  2. Step 2: Convert to fraction form
    477,694.92/659,513.54 = 328,768.46/x
  3. Step 3: Cross multiply
    477,694.92x = 659,513.54 × 328,768.46
  4. Step 4: Simplify right side
    477,694.92x = 216,827,250,894.95
  5. Step 5: Solve for x
    x = 216,827,250,894.95/477,694.92
  6. Step 6: Final answer
    x = 453,903.20

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1.5x scale

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.