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Finding the Fourth Proportional to 207,424.40, 310,445.40 and 182,541.20

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Solution

The fourth proportional to 207,424.40, 310,445.40 and 182,541.20 is: 273,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,424.40 : 310,445.40 = 182,541.20 : x
  2. Step 2: Convert to fraction form
    207,424.40/310,445.40 = 182,541.20/x
  3. Step 3: Cross multiply
    207,424.40x = 310,445.40 × 182,541.20
  4. Step 4: Simplify right side
    207,424.40x = 56,669,075,850.48
  5. Step 5: Solve for x
    x = 56,669,075,850.48/207,424.40
  6. Step 6: Final answer
    x = 273,203.52

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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.