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Finding the Fourth Proportional to 477,031.77, 658,319.63 and 262,179.45

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Solution

The fourth proportional to 477,031.77, 658,319.63 and 262,179.45 is: 361,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,031.77 : 658,319.63 = 262,179.45 : x
  2. Step 2: Convert to fraction form
    477,031.77/658,319.63 = 262,179.45/x
  3. Step 3: Cross multiply
    477,031.77x = 658,319.63 × 262,179.45
  4. Step 4: Simplify right side
    477,031.77x = 172,597,877,206.71
  5. Step 5: Solve for x
    x = 172,597,877,206.71/477,031.77
  6. Step 6: Final answer
    x = 361,816.32

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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.