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Finding the Fourth Proportional to 713,202.94, 984,328.47 and 455,191.26

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Solution

The fourth proportional to 713,202.94, 984,328.47 and 455,191.26 is: 628,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,202.94 : 984,328.47 = 455,191.26 : x
  2. Step 2: Convert to fraction form
    713,202.94/984,328.47 = 455,191.26/x
  3. Step 3: Cross multiply
    713,202.94x = 984,328.47 × 455,191.26
  4. Step 4: Simplify right side
    713,202.94x = 448,057,716,513.17
  5. Step 5: Solve for x
    x = 448,057,716,513.17/713,202.94
  6. Step 6: Final answer
    x = 628,233.13

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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.