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Finding the Fourth Proportional to 369,992.22, 510,242.76 and 245,593.20

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Solution

The fourth proportional to 369,992.22, 510,242.76 and 245,593.20 is: 338,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,992.22 : 510,242.76 = 245,593.20 : x
  2. Step 2: Convert to fraction form
    369,992.22/510,242.76 = 245,593.20/x
  3. Step 3: Cross multiply
    369,992.22x = 510,242.76 × 245,593.20
  4. Step 4: Simplify right side
    369,992.22x = 125,312,152,205.23
  5. Step 5: Solve for x
    x = 125,312,152,205.23/369,992.22
  6. Step 6: Final answer
    x = 338,688.61

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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.