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Finding the Fourth Proportional to 268,510.64, 370,537.20 and 147,652.16

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Solution

The fourth proportional to 268,510.64, 370,537.20 and 147,652.16 is: 203,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,510.64 : 370,537.20 = 147,652.16 : x
  2. Step 2: Convert to fraction form
    268,510.64/370,537.20 = 147,652.16/x
  3. Step 3: Cross multiply
    268,510.64x = 370,537.20 × 147,652.16
  4. Step 4: Simplify right side
    268,510.64x = 54,710,617,940.35
  5. Step 5: Solve for x
    x = 54,710,617,940.35/268,510.64
  6. Step 6: Final answer
    x = 203,755.87

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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.