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Finding the Fourth Proportional to 363,445.89, 501,497.87 and 210,498.48

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Solution

The fourth proportional to 363,445.89, 501,497.87 and 210,498.48 is: 290,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,445.89 : 501,497.87 = 210,498.48 : x
  2. Step 2: Convert to fraction form
    363,445.89/501,497.87 = 210,498.48/x
  3. Step 3: Cross multiply
    363,445.89x = 501,497.87 × 210,498.48
  4. Step 4: Simplify right side
    363,445.89x = 105,564,538,305.75
  5. Step 5: Solve for x
    x = 105,564,538,305.75/363,445.89
  6. Step 6: Final answer
    x = 290,454.62

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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.