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Finding the Fourth Proportional to 713,920.01, 985,593.36 and 551,418.32

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Solution

The fourth proportional to 713,920.01, 985,593.36 and 551,418.32 is: 761,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,920.01 : 985,593.36 = 551,418.32 : x
  2. Step 2: Convert to fraction form
    713,920.01/985,593.36 = 551,418.32/x
  3. Step 3: Cross multiply
    713,920.01x = 985,593.36 × 551,418.32
  4. Step 4: Simplify right side
    713,920.01x = 543,474,229,846.39
  5. Step 5: Solve for x
    x = 543,474,229,846.39/713,920.01
  6. Step 6: Final answer
    x = 761,253.68

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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.