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Finding the Fourth Proportional to 503,410.76, 755,142.18 and 183,555.20

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Solution

The fourth proportional to 503,410.76, 755,142.18 and 183,555.20 is: 275,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,410.76 : 755,142.18 = 183,555.20 : x
  2. Step 2: Convert to fraction form
    503,410.76/755,142.18 = 183,555.20/x
  3. Step 3: Cross multiply
    503,410.76x = 755,142.18 × 183,555.20
  4. Step 4: Simplify right side
    503,410.76x = 138,610,273,878.34
  5. Step 5: Solve for x
    x = 138,610,273,878.34/503,410.76
  6. Step 6: Final answer
    x = 275,342.29

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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.