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Finding the Fourth Proportional to 292,425.87, 437,640.78 and 245,094.40

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Solution

The fourth proportional to 292,425.87, 437,640.78 and 245,094.40 is: 366,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,425.87 : 437,640.78 = 245,094.40 : x
  2. Step 2: Convert to fraction form
    292,425.87/437,640.78 = 245,094.40/x
  3. Step 3: Cross multiply
    292,425.87x = 437,640.78 × 245,094.40
  4. Step 4: Simplify right side
    292,425.87x = 107,263,304,389.63
  5. Step 5: Solve for x
    x = 107,263,304,389.63/292,425.87
  6. Step 6: Final answer
    x = 366,805.11

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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.