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Finding the Fourth Proportional to 508,734.80, 763,447.80 and 284,094.80

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Solution

The fourth proportional to 508,734.80, 763,447.80 and 284,094.80 is: 426,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,734.80 : 763,447.80 = 284,094.80 : x
  2. Step 2: Convert to fraction form
    508,734.80/763,447.80 = 284,094.80/x
  3. Step 3: Cross multiply
    508,734.80x = 763,447.80 × 284,094.80
  4. Step 4: Simplify right side
    508,734.80x = 216,891,550,051.44
  5. Step 5: Solve for x
    x = 216,891,550,051.44/508,734.80
  6. Step 6: Final answer
    x = 426,335.19

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1.5x scale

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.