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Finding the Fourth Proportional to 334,893.20, 502,404.60 and 98,243.60

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Solution

The fourth proportional to 334,893.20, 502,404.60 and 98,243.60 is: 147,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,893.20 : 502,404.60 = 98,243.60 : x
  2. Step 2: Convert to fraction form
    334,893.20/502,404.60 = 98,243.60/x
  3. Step 3: Cross multiply
    334,893.20x = 502,404.60 × 98,243.60
  4. Step 4: Simplify right side
    334,893.20x = 49,358,036,560.56
  5. Step 5: Solve for x
    x = 49,358,036,560.56/334,893.20
  6. Step 6: Final answer
    x = 147,384.41

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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.