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Finding the Fourth Proportional to 477,335.71, 658,700.72 and 262,484.83

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Solution

The fourth proportional to 477,335.71, 658,700.72 and 262,484.83 is: 362,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,335.71 : 658,700.72 = 262,484.83 : x
  2. Step 2: Convert to fraction form
    477,335.71/658,700.72 = 262,484.83/x
  3. Step 3: Cross multiply
    477,335.71x = 658,700.72 × 262,484.83
  4. Step 4: Simplify right side
    477,335.71x = 172,898,943,216.57
  5. Step 5: Solve for x
    x = 172,898,943,216.57/477,335.71
  6. Step 6: Final answer
    x = 362,216.66

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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.