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Finding the Fourth Proportional to 713,571.89, 983,776.59 and 566,883.47

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Solution

The fourth proportional to 713,571.89, 983,776.59 and 566,883.47 is: 781,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,571.89 : 983,776.59 = 566,883.47 : x
  2. Step 2: Convert to fraction form
    713,571.89/983,776.59 = 566,883.47/x
  3. Step 3: Cross multiply
    713,571.89x = 983,776.59 × 566,883.47
  4. Step 4: Simplify right side
    713,571.89x = 557,686,682,125.08
  5. Step 5: Solve for x
    x = 557,686,682,125.08/713,571.89
  6. Step 6: Final answer
    x = 781,542.39

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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.