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Finding the Fourth Proportional to 436,218, 601,747.56 and 292,731.36

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Solution

The fourth proportional to 436,218, 601,747.56 and 292,731.36 is: 403,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,218 : 601,747.56 = 292,731.36 : x
  2. Step 2: Convert to fraction form
    436,218/601,747.56 = 292,731.36/x
  3. Step 3: Cross multiply
    436,218x = 601,747.56 × 292,731.36
  4. Step 4: Simplify right side
    436,218x = 176,150,381,615.48
  5. Step 5: Solve for x
    x = 176,150,381,615.48/436,218
  6. Step 6: Final answer
    x = 403,812.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.