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Finding the Fourth Proportional to 713,209.56, 984,330 and 441,365.01

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Solution

The fourth proportional to 713,209.56, 984,330 and 441,365.01 is: 609,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,209.56 : 984,330 = 441,365.01 : x
  2. Step 2: Convert to fraction form
    713,209.56/984,330 = 441,365.01/x
  3. Step 3: Cross multiply
    713,209.56x = 984,330 × 441,365.01
  4. Step 4: Simplify right side
    713,209.56x = 434,448,820,293.30
  5. Step 5: Solve for x
    x = 434,448,820,293.30/713,209.56
  6. Step 6: Final answer
    x = 609,146.10

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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.