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Finding the Fourth Proportional to 334,242.20, 501,428.10 and 168,030.20

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Solution

The fourth proportional to 334,242.20, 501,428.10 and 168,030.20 is: 252,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,242.20 : 501,428.10 = 168,030.20 : x
  2. Step 2: Convert to fraction form
    334,242.20/501,428.10 = 168,030.20/x
  3. Step 3: Cross multiply
    334,242.20x = 501,428.10 × 168,030.20
  4. Step 4: Simplify right side
    334,242.20x = 84,255,063,928.62
  5. Step 5: Solve for x
    x = 84,255,063,928.62/334,242.20
  6. Step 6: Final answer
    x = 252,077.88

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1.5x scale

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.