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Finding the Fourth Proportional to 477,156.72, 658,477.04 and 262,298.14

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Solution

The fourth proportional to 477,156.72, 658,477.04 and 262,298.14 is: 361,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,156.72 : 658,477.04 = 262,298.14 : x
  2. Step 2: Convert to fraction form
    477,156.72/658,477.04 = 262,298.14/x
  3. Step 3: Cross multiply
    477,156.72x = 658,477.04 × 262,298.14
  4. Step 4: Simplify right side
    477,156.72x = 172,717,302,824.71
  5. Step 5: Solve for x
    x = 172,717,302,824.71/477,156.72
  6. Step 6: Final answer
    x = 361,971.85

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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.