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Finding the Fourth Proportional to 329,318.79, 454,454.01 and 186,075.78

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Solution

The fourth proportional to 329,318.79, 454,454.01 and 186,075.78 is: 256,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,318.79 : 454,454.01 = 186,075.78 : x
  2. Step 2: Convert to fraction form
    329,318.79/454,454.01 = 186,075.78/x
  3. Step 3: Cross multiply
    329,318.79x = 454,454.01 × 186,075.78
  4. Step 4: Simplify right side
    329,318.79x = 84,562,884,384.88
  5. Step 5: Solve for x
    x = 84,562,884,384.88/329,318.79
  6. Step 6: Final answer
    x = 256,781.23

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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.