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Finding the Fourth Proportional to 268,737.40, 371,010.58 and 178,215.58

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Solution

The fourth proportional to 268,737.40, 371,010.58 and 178,215.58 is: 246,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,737.40 : 371,010.58 = 178,215.58 : x
  2. Step 2: Convert to fraction form
    268,737.40/371,010.58 = 178,215.58/x
  3. Step 3: Cross multiply
    268,737.40x = 371,010.58 × 178,215.58
  4. Step 4: Simplify right side
    268,737.40x = 66,119,865,700.84
  5. Step 5: Solve for x
    x = 66,119,865,700.84/268,737.40
  6. Step 6: Final answer
    x = 246,038.94

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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.