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Finding the Fourth Proportional to 668,443.46, 922,452.39 and 362,519.73

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Solution

The fourth proportional to 668,443.46, 922,452.39 and 362,519.73 is: 500,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,443.46 : 922,452.39 = 362,519.73 : x
  2. Step 2: Convert to fraction form
    668,443.46/922,452.39 = 362,519.73/x
  3. Step 3: Cross multiply
    668,443.46x = 922,452.39 × 362,519.73
  4. Step 4: Simplify right side
    668,443.46x = 334,407,191,360.66
  5. Step 5: Solve for x
    x = 334,407,191,360.66/668,443.46
  6. Step 6: Final answer
    x = 500,277.46

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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.