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Finding the Fourth Proportional to 335,092.60, 502,638.90 and 235,365.40

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Solution

The fourth proportional to 335,092.60, 502,638.90 and 235,365.40 is: 353,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,092.60 : 502,638.90 = 235,365.40 : x
  2. Step 2: Convert to fraction form
    335,092.60/502,638.90 = 235,365.40/x
  3. Step 3: Cross multiply
    335,092.60x = 502,638.90 × 235,365.40
  4. Step 4: Simplify right side
    335,092.60x = 118,303,805,754.06
  5. Step 5: Solve for x
    x = 118,303,805,754.06/335,092.60
  6. Step 6: Final answer
    x = 353,048.10

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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.