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Finding the Fourth Proportional to 422,910.04, 583,455.72 and 269,953.96

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Solution

The fourth proportional to 422,910.04, 583,455.72 and 269,953.96 is: 372,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,910.04 : 583,455.72 = 269,953.96 : x
  2. Step 2: Convert to fraction form
    422,910.04/583,455.72 = 269,953.96/x
  3. Step 3: Cross multiply
    422,910.04x = 583,455.72 × 269,953.96
  4. Step 4: Simplify right side
    422,910.04x = 157,506,182,098.65
  5. Step 5: Solve for x
    x = 157,506,182,098.65/422,910.04
  6. Step 6: Final answer
    x = 372,434.25

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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.