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Finding the Fourth Proportional to 313,143.88, 469,800.57 and 223,300.10

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Solution

The fourth proportional to 313,143.88, 469,800.57 and 223,300.10 is: 335,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,143.88 : 469,800.57 = 223,300.10 : x
  2. Step 2: Convert to fraction form
    313,143.88/469,800.57 = 223,300.10/x
  3. Step 3: Cross multiply
    313,143.88x = 469,800.57 × 223,300.10
  4. Step 4: Simplify right side
    313,143.88x = 104,906,514,261.06
  5. Step 5: Solve for x
    x = 104,906,514,261.06/313,143.88
  6. Step 6: Final answer
    x = 335,010.58

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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.