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Finding the Fourth Proportional to 281,210.88, 388,252.08 and 250,944.16

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Solution

The fourth proportional to 281,210.88, 388,252.08 and 250,944.16 is: 346,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,210.88 : 388,252.08 = 250,944.16 : x
  2. Step 2: Convert to fraction form
    281,210.88/388,252.08 = 250,944.16/x
  3. Step 3: Cross multiply
    281,210.88x = 388,252.08 × 250,944.16
  4. Step 4: Simplify right side
    281,210.88x = 97,429,592,083.85
  5. Step 5: Solve for x
    x = 97,429,592,083.85/281,210.88
  6. Step 6: Final answer
    x = 346,464.52

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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.