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Finding the Fourth Proportional to 722,187.48, 997,656.84 and 576,802.38

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Solution

The fourth proportional to 722,187.48, 997,656.84 and 576,802.38 is: 796,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,187.48 : 997,656.84 = 576,802.38 : x
  2. Step 2: Convert to fraction form
    722,187.48/997,656.84 = 576,802.38/x
  3. Step 3: Cross multiply
    722,187.48x = 997,656.84 × 576,802.38
  4. Step 4: Simplify right side
    722,187.48x = 575,450,839,735.28
  5. Step 5: Solve for x
    x = 575,450,839,735.28/722,187.48
  6. Step 6: Final answer
    x = 796,816.42

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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.