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Finding the Fourth Proportional to 404,792.36, 558,379.28 and 261,552.40

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Solution

The fourth proportional to 404,792.36, 558,379.28 and 261,552.40 is: 360,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,792.36 : 558,379.28 = 261,552.40 : x
  2. Step 2: Convert to fraction form
    404,792.36/558,379.28 = 261,552.40/x
  3. Step 3: Cross multiply
    404,792.36x = 558,379.28 × 261,552.40
  4. Step 4: Simplify right side
    404,792.36x = 146,045,441,488.35
  5. Step 5: Solve for x
    x = 146,045,441,488.35/404,792.36
  6. Step 6: Final answer
    x = 360,791.00

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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.