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Finding the Fourth Proportional to 401,407.17, 600,855.95 and 259,062.17

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Solution

The fourth proportional to 401,407.17, 600,855.95 and 259,062.17 is: 387,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,407.17 : 600,855.95 = 259,062.17 : x
  2. Step 2: Convert to fraction form
    401,407.17/600,855.95 = 259,062.17/x
  3. Step 3: Cross multiply
    401,407.17x = 600,855.95 × 259,062.17
  4. Step 4: Simplify right side
    401,407.17x = 155,659,046,264.41
  5. Step 5: Solve for x
    x = 155,659,046,264.41/401,407.17
  6. Step 6: Final answer
    x = 387,783.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.