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Finding the Fourth Proportional to 668,199.24, 922,112.10 and 366,393.24

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Solution

The fourth proportional to 668,199.24, 922,112.10 and 366,393.24 is: 505,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,199.24 : 922,112.10 = 366,393.24 : x
  2. Step 2: Convert to fraction form
    668,199.24/922,112.10 = 366,393.24/x
  3. Step 3: Cross multiply
    668,199.24x = 922,112.10 × 366,393.24
  4. Step 4: Simplify right side
    668,199.24x = 337,855,639,962.20
  5. Step 5: Solve for x
    x = 337,855,639,962.20/668,199.24
  6. Step 6: Final answer
    x = 505,621.11

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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.