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Finding the Fourth Proportional to 477,049.04, 658,053.56 and 297,890

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Solution

The fourth proportional to 477,049.04, 658,053.56 and 297,890 is: 410,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,049.04 : 658,053.56 = 297,890 : x
  2. Step 2: Convert to fraction form
    477,049.04/658,053.56 = 297,890/x
  3. Step 3: Cross multiply
    477,049.04x = 658,053.56 × 297,890
  4. Step 4: Simplify right side
    477,049.04x = 196,027,574,988.40
  5. Step 5: Solve for x
    x = 196,027,574,988.40/477,049.04
  6. Step 6: Final answer
    x = 410,917.03

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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.