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Finding the Fourth Proportional to 713,356.52, 984,270.30 and 483,945.08

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Solution

The fourth proportional to 713,356.52, 984,270.30 and 483,945.08 is: 667,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,356.52 : 984,270.30 = 483,945.08 : x
  2. Step 2: Convert to fraction form
    713,356.52/984,270.30 = 483,945.08/x
  3. Step 3: Cross multiply
    713,356.52x = 984,270.30 × 483,945.08
  4. Step 4: Simplify right side
    713,356.52x = 476,332,769,075.12
  5. Step 5: Solve for x
    x = 476,332,769,075.12/713,356.52
  6. Step 6: Final answer
    x = 667,734.51

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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.