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Finding the Fourth Proportional to 335,211.48, 502,748.64 and 98,490.60

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Solution

The fourth proportional to 335,211.48, 502,748.64 and 98,490.60 is: 147,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,211.48 : 502,748.64 = 98,490.60 : x
  2. Step 2: Convert to fraction form
    335,211.48/502,748.64 = 98,490.60/x
  3. Step 3: Cross multiply
    335,211.48x = 502,748.64 × 98,490.60
  4. Step 4: Simplify right side
    335,211.48x = 49,516,015,202.78
  5. Step 5: Solve for x
    x = 49,516,015,202.78/335,211.48
  6. Step 6: Final answer
    x = 147,715.75

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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.