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Finding the Fourth Proportional to 477,083.94, 658,471.59 and 283,454.39

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Solution

The fourth proportional to 477,083.94, 658,471.59 and 283,454.39 is: 391,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,083.94 : 658,471.59 = 283,454.39 : x
  2. Step 2: Convert to fraction form
    477,083.94/658,471.59 = 283,454.39/x
  3. Step 3: Cross multiply
    477,083.94x = 658,471.59 × 283,454.39
  4. Step 4: Simplify right side
    477,083.94x = 186,646,659,583.42
  5. Step 5: Solve for x
    x = 186,646,659,583.42/477,083.94
  6. Step 6: Final answer
    x = 391,223.94

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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.