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Finding the Fourth Proportional to 286,362.34, 396,036.36 and 250,490.08

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Solution

The fourth proportional to 286,362.34, 396,036.36 and 250,490.08 is: 346,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,362.34 : 396,036.36 = 250,490.08 : x
  2. Step 2: Convert to fraction form
    286,362.34/396,036.36 = 250,490.08/x
  3. Step 3: Cross multiply
    286,362.34x = 396,036.36 × 250,490.08
  4. Step 4: Simplify right side
    286,362.34x = 99,203,179,499.31
  5. Step 5: Solve for x
    x = 99,203,179,499.31/286,362.34
  6. Step 6: Final answer
    x = 346,425.37

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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.