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Finding the Fourth Proportional to 307,351.02, 424,186.01 and 180,077.34

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Solution

The fourth proportional to 307,351.02, 424,186.01 and 180,077.34 is: 248,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,351.02 : 424,186.01 = 180,077.34 : x
  2. Step 2: Convert to fraction form
    307,351.02/424,186.01 = 180,077.34/x
  3. Step 3: Cross multiply
    307,351.02x = 424,186.01 × 180,077.34
  4. Step 4: Simplify right side
    307,351.02x = 76,386,290,724.55
  5. Step 5: Solve for x
    x = 76,386,290,724.55/307,351.02
  6. Step 6: Final answer
    x = 248,531.11

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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.