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Finding the Fourth Proportional to 713,210.56, 984,331.38 and 441,366.01

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Solution

The fourth proportional to 713,210.56, 984,331.38 and 441,366.01 is: 609,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,210.56 : 984,331.38 = 441,366.01 : x
  2. Step 2: Convert to fraction form
    713,210.56/984,331.38 = 441,366.01/x
  3. Step 3: Cross multiply
    713,210.56x = 984,331.38 × 441,366.01
  4. Step 4: Simplify right side
    713,210.56x = 434,450,413,708.39
  5. Step 5: Solve for x
    x = 434,450,413,708.39/713,210.56
  6. Step 6: Final answer
    x = 609,147.48

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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.