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Finding the Fourth Proportional to 439,416.84, 606,405.51 and 248,441.52

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Solution

The fourth proportional to 439,416.84, 606,405.51 and 248,441.52 is: 342,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,416.84 : 606,405.51 = 248,441.52 : x
  2. Step 2: Convert to fraction form
    439,416.84/606,405.51 = 248,441.52/x
  3. Step 3: Cross multiply
    439,416.84x = 606,405.51 × 248,441.52
  4. Step 4: Simplify right side
    439,416.84x = 150,656,306,640.78
  5. Step 5: Solve for x
    x = 150,656,306,640.78/439,416.84
  6. Step 6: Final answer
    x = 342,855.10

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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.