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Finding the Fourth Proportional to 434,010.99, 598,959.86 and 243,022.71

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Solution

The fourth proportional to 434,010.99, 598,959.86 and 243,022.71 is: 335,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,010.99 : 598,959.86 = 243,022.71 : x
  2. Step 2: Convert to fraction form
    434,010.99/598,959.86 = 243,022.71/x
  3. Step 3: Cross multiply
    434,010.99x = 598,959.86 × 243,022.71
  4. Step 4: Simplify right side
    434,010.99x = 145,560,847,143.31
  5. Step 5: Solve for x
    x = 145,560,847,143.31/434,010.99
  6. Step 6: Final answer
    x = 335,385.16

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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.