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Finding the Fourth Proportional to 477,149.16, 658,474.02 and 262,298.28

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Solution

The fourth proportional to 477,149.16, 658,474.02 and 262,298.28 is: 361,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,149.16 : 658,474.02 = 262,298.28 : x
  2. Step 2: Convert to fraction form
    477,149.16/658,474.02 = 262,298.28/x
  3. Step 3: Cross multiply
    477,149.16x = 658,474.02 × 262,298.28
  4. Step 4: Simplify right side
    477,149.16x = 172,716,602,870.69
  5. Step 5: Solve for x
    x = 172,716,602,870.69/477,149.16
  6. Step 6: Final answer
    x = 361,976.12

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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.