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Finding the Fourth Proportional to 329,750.87, 455,066.10 and 186,508.04

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Solution

The fourth proportional to 329,750.87, 455,066.10 and 186,508.04 is: 257,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,750.87 : 455,066.10 = 186,508.04 : x
  2. Step 2: Convert to fraction form
    329,750.87/455,066.10 = 186,508.04/x
  3. Step 3: Cross multiply
    329,750.87x = 455,066.10 × 186,508.04
  4. Step 4: Simplify right side
    329,750.87x = 84,873,484,106.11
  5. Step 5: Solve for x
    x = 84,873,484,106.11/329,750.87
  6. Step 6: Final answer
    x = 257,386.69

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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.