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Finding the Fourth Proportional to 477,007.80, 658,238.88 and 262,143.24

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Solution

The fourth proportional to 477,007.80, 658,238.88 and 262,143.24 is: 361,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,007.80 : 658,238.88 = 262,143.24 : x
  2. Step 2: Convert to fraction form
    477,007.80/658,238.88 = 262,143.24/x
  3. Step 3: Cross multiply
    477,007.80x = 658,238.88 × 262,143.24
  4. Step 4: Simplify right side
    477,007.80x = 172,552,872,697.17
  5. Step 5: Solve for x
    x = 172,552,872,697.17/477,007.80
  6. Step 6: Final answer
    x = 361,740.15

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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.