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Finding the Fourth Proportional to 458,863.62, 633,240.10 and 257,666.82

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Solution

The fourth proportional to 458,863.62, 633,240.10 and 257,666.82 is: 355,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,863.62 : 633,240.10 = 257,666.82 : x
  2. Step 2: Convert to fraction form
    458,863.62/633,240.10 = 257,666.82/x
  3. Step 3: Cross multiply
    458,863.62x = 633,240.10 × 257,666.82
  4. Step 4: Simplify right side
    458,863.62x = 163,164,962,863.48
  5. Step 5: Solve for x
    x = 163,164,962,863.48/458,863.62
  6. Step 6: Final answer
    x = 355,584.87

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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.