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Finding the Fourth Proportional to 322,411.40, 444,892.40 and 186,424.76

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Solution

The fourth proportional to 322,411.40, 444,892.40 and 186,424.76 is: 257,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,411.40 : 444,892.40 = 186,424.76 : x
  2. Step 2: Convert to fraction form
    322,411.40/444,892.40 = 186,424.76/x
  3. Step 3: Cross multiply
    322,411.40x = 444,892.40 × 186,424.76
  4. Step 4: Simplify right side
    322,411.40x = 82,938,959,075.93
  5. Step 5: Solve for x
    x = 82,938,959,075.93/322,411.40
  6. Step 6: Final answer
    x = 257,245.74

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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.