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Finding the Fourth Proportional to 292,528.35, 438,043.44 and 202,446.36

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Solution

The fourth proportional to 292,528.35, 438,043.44 and 202,446.36 is: 303,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,528.35 : 438,043.44 = 202,446.36 : x
  2. Step 2: Convert to fraction form
    292,528.35/438,043.44 = 202,446.36/x
  3. Step 3: Cross multiply
    292,528.35x = 438,043.44 × 202,446.36
  4. Step 4: Simplify right side
    292,528.35x = 88,680,299,949.88
  5. Step 5: Solve for x
    x = 88,680,299,949.88/292,528.35
  6. Step 6: Final answer
    x = 303,151.13

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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.