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Finding the Fourth Proportional to 360,250.61, 497,206.31 and 243,911.30

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Solution

The fourth proportional to 360,250.61, 497,206.31 and 243,911.30 is: 336,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,250.61 : 497,206.31 = 243,911.30 : x
  2. Step 2: Convert to fraction form
    360,250.61/497,206.31 = 243,911.30/x
  3. Step 3: Cross multiply
    360,250.61x = 497,206.31 × 243,911.30
  4. Step 4: Simplify right side
    360,250.61x = 121,274,233,734.72
  5. Step 5: Solve for x
    x = 121,274,233,734.72/360,250.61
  6. Step 6: Final answer
    x = 336,638.53

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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.