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Finding the Fourth Proportional to 268,312.76, 370,253.72 and 147,451.44

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Solution

The fourth proportional to 268,312.76, 370,253.72 and 147,451.44 is: 203,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,312.76 : 370,253.72 = 147,451.44 : x
  2. Step 2: Convert to fraction form
    268,312.76/370,253.72 = 147,451.44/x
  3. Step 3: Cross multiply
    268,312.76x = 370,253.72 × 147,451.44
  4. Step 4: Simplify right side
    268,312.76x = 54,594,444,179.36
  5. Step 5: Solve for x
    x = 54,594,444,179.36/268,312.76
  6. Step 6: Final answer
    x = 203,473.16

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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.