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Finding the Fourth Proportional to 356,768.66, 492,497.73 and 249,758.75

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Solution

The fourth proportional to 356,768.66, 492,497.73 and 249,758.75 is: 344,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,768.66 : 492,497.73 = 249,758.75 : x
  2. Step 2: Convert to fraction form
    356,768.66/492,497.73 = 249,758.75/x
  3. Step 3: Cross multiply
    356,768.66x = 492,497.73 × 249,758.75
  4. Step 4: Simplify right side
    356,768.66x = 123,005,614,960.15
  5. Step 5: Solve for x
    x = 123,005,614,960.15/356,768.66
  6. Step 6: Final answer
    x = 344,776.97

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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.