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Finding the Fourth Proportional to 268,510.64, 370,452.40 and 166,499.36

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Solution

The fourth proportional to 268,510.64, 370,452.40 and 166,499.36 is: 229,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,510.64 : 370,452.40 = 166,499.36 : x
  2. Step 2: Convert to fraction form
    268,510.64/370,452.40 = 166,499.36/x
  3. Step 3: Cross multiply
    268,510.64x = 370,452.40 × 166,499.36
  4. Step 4: Simplify right side
    268,510.64x = 61,680,087,510.46
  5. Step 5: Solve for x
    x = 61,680,087,510.46/268,510.64
  6. Step 6: Final answer
    x = 229,711.89

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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.