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Finding the Fourth Proportional to 334,912.80, 502,320.60 and 98,230.80

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Solution

The fourth proportional to 334,912.80, 502,320.60 and 98,230.80 is: 147,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,912.80 : 502,320.60 = 98,230.80 : x
  2. Step 2: Convert to fraction form
    334,912.80/502,320.60 = 98,230.80/x
  3. Step 3: Cross multiply
    334,912.80x = 502,320.60 × 98,230.80
  4. Step 4: Simplify right side
    334,912.80x = 49,343,354,394.48
  5. Step 5: Solve for x
    x = 49,343,354,394.48/334,912.80
  6. Step 6: Final answer
    x = 147,331.95

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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.