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Finding the Fourth Proportional to 458,295.85, 632,455.10 and 254,359.92

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Solution

The fourth proportional to 458,295.85, 632,455.10 and 254,359.92 is: 351,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,295.85 : 632,455.10 = 254,359.92 : x
  2. Step 2: Convert to fraction form
    458,295.85/632,455.10 = 254,359.92/x
  3. Step 3: Cross multiply
    458,295.85x = 632,455.10 × 254,359.92
  4. Step 4: Simplify right side
    458,295.85x = 160,871,228,639.59
  5. Step 5: Solve for x
    x = 160,871,228,639.59/458,295.85
  6. Step 6: Final answer
    x = 351,020.48

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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.