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Finding the Fourth Proportional to 713,606.13, 983,823.79 and 566,917.70

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Solution

The fourth proportional to 713,606.13, 983,823.79 and 566,917.70 is: 781,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,606.13 : 983,823.79 = 566,917.70 : x
  2. Step 2: Convert to fraction form
    713,606.13/983,823.79 = 566,917.70/x
  3. Step 3: Cross multiply
    713,606.13x = 983,823.79 × 566,917.70
  4. Step 4: Simplify right side
    713,606.13x = 557,747,117,772.52
  5. Step 5: Solve for x
    x = 557,747,117,772.52/713,606.13
  6. Step 6: Final answer
    x = 781,589.58

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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.