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Finding the Fourth Proportional to 288,373, 397,927.38 and 167,510.98

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Solution

The fourth proportional to 288,373, 397,927.38 and 167,510.98 is: 231,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,373 : 397,927.38 = 167,510.98 : x
  2. Step 2: Convert to fraction form
    288,373/397,927.38 = 167,510.98/x
  3. Step 3: Cross multiply
    288,373x = 397,927.38 × 167,510.98
  4. Step 4: Simplify right side
    288,373x = 66,657,205,392.63
  5. Step 5: Solve for x
    x = 66,657,205,392.63/288,373
  6. Step 6: Final answer
    x = 231,149.26

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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.