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Finding the Fourth Proportional to 458,340.70, 632,510.50 and 254,391.82

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Solution

The fourth proportional to 458,340.70, 632,510.50 and 254,391.82 is: 351,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,340.70 : 632,510.50 = 254,391.82 : x
  2. Step 2: Convert to fraction form
    458,340.70/632,510.50 = 254,391.82/x
  3. Step 3: Cross multiply
    458,340.70x = 632,510.50 × 254,391.82
  4. Step 4: Simplify right side
    458,340.70x = 160,905,497,264.11
  5. Step 5: Solve for x
    x = 160,905,497,264.11/458,340.70
  6. Step 6: Final answer
    x = 351,060.90

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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.