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Finding the Fourth Proportional to 578,196.04, 866,924.16 and 278,078.92

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Solution

The fourth proportional to 578,196.04, 866,924.16 and 278,078.92 is: 416,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,196.04 : 866,924.16 = 278,078.92 : x
  2. Step 2: Convert to fraction form
    578,196.04/866,924.16 = 278,078.92/x
  3. Step 3: Cross multiply
    578,196.04x = 866,924.16 × 278,078.92
  4. Step 4: Simplify right side
    578,196.04x = 241,073,334,134.71
  5. Step 5: Solve for x
    x = 241,073,334,134.71/578,196.04
  6. Step 6: Final answer
    x = 416,940.48

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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.