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Finding the Fourth Proportional to 268,486.68, 370,429.56 and 176,579.76

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Solution

The fourth proportional to 268,486.68, 370,429.56 and 176,579.76 is: 243,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,486.68 : 370,429.56 = 176,579.76 : x
  2. Step 2: Convert to fraction form
    268,486.68/370,429.56 = 176,579.76/x
  3. Step 3: Cross multiply
    268,486.68x = 370,429.56 × 176,579.76
  4. Step 4: Simplify right side
    268,486.68x = 65,410,362,801.71
  5. Step 5: Solve for x
    x = 65,410,362,801.71/268,486.68
  6. Step 6: Final answer
    x = 243,626.10

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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.