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Finding the Fourth Proportional to 536,707.20, 804,139.20 and 283,612.80

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Solution

The fourth proportional to 536,707.20, 804,139.20 and 283,612.80 is: 424,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,707.20 : 804,139.20 = 283,612.80 : x
  2. Step 2: Convert to fraction form
    536,707.20/804,139.20 = 283,612.80/x
  3. Step 3: Cross multiply
    536,707.20x = 804,139.20 × 283,612.80
  4. Step 4: Simplify right side
    536,707.20x = 228,064,170,101.76
  5. Step 5: Solve for x
    x = 228,064,170,101.76/536,707.20
  6. Step 6: Final answer
    x = 424,932.20

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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.