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Finding the Fourth Proportional to 268,434.78, 370,425.72 and 147,552.81

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Solution

The fourth proportional to 268,434.78, 370,425.72 and 147,552.81 is: 203,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434.78 : 370,425.72 = 147,552.81 : x
  2. Step 2: Convert to fraction form
    268,434.78/370,425.72 = 147,552.81/x
  3. Step 3: Cross multiply
    268,434.78x = 370,425.72 × 147,552.81
  4. Step 4: Simplify right side
    268,434.78x = 54,657,355,882.27
  5. Step 5: Solve for x
    x = 54,657,355,882.27/268,434.78
  6. Step 6: Final answer
    x = 203,615.03

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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.