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Finding the Fourth Proportional to 477,142.75, 658,457.71 and 262,284.13

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Solution

The fourth proportional to 477,142.75, 658,457.71 and 262,284.13 is: 361,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,142.75 : 658,457.71 = 262,284.13 : x
  2. Step 2: Convert to fraction form
    477,142.75/658,457.71 = 262,284.13/x
  3. Step 3: Cross multiply
    477,142.75x = 658,457.71 × 262,284.13
  4. Step 4: Simplify right side
    477,142.75x = 172,703,004,072.68
  5. Step 5: Solve for x
    x = 172,703,004,072.68/477,142.75
  6. Step 6: Final answer
    x = 361,952.48

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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.