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Finding the Fourth Proportional to 517,454.92, 713,896.25 and 516,656.89

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Solution

The fourth proportional to 517,454.92, 713,896.25 and 516,656.89 is: 712,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,454.92 : 713,896.25 = 516,656.89 : x
  2. Step 2: Convert to fraction form
    517,454.92/713,896.25 = 516,656.89/x
  3. Step 3: Cross multiply
    517,454.92x = 713,896.25 × 516,656.89
  4. Step 4: Simplify right side
    517,454.92x = 368,839,416,307.66
  5. Step 5: Solve for x
    x = 368,839,416,307.66/517,454.92
  6. Step 6: Final answer
    x = 712,795.26

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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.