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Finding the Fourth Proportional to 291,501.71, 436,264.94 and 179,253.02

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Solution

The fourth proportional to 291,501.71, 436,264.94 and 179,253.02 is: 268,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,501.71 : 436,264.94 = 179,253.02 : x
  2. Step 2: Convert to fraction form
    291,501.71/436,264.94 = 179,253.02/x
  3. Step 3: Cross multiply
    291,501.71x = 436,264.94 × 179,253.02
  4. Step 4: Simplify right side
    291,501.71x = 78,201,804,937.53
  5. Step 5: Solve for x
    x = 78,201,804,937.53/291,501.71
  6. Step 6: Final answer
    x = 268,272.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.