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Finding the Fourth Proportional to 584,765.98, 806,976.93 and 330,117.16

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Solution

The fourth proportional to 584,765.98, 806,976.93 and 330,117.16 is: 455,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,765.98 : 806,976.93 = 330,117.16 : x
  2. Step 2: Convert to fraction form
    584,765.98/806,976.93 = 330,117.16/x
  3. Step 3: Cross multiply
    584,765.98x = 806,976.93 × 330,117.16
  4. Step 4: Simplify right side
    584,765.98x = 266,396,932,317.12
  5. Step 5: Solve for x
    x = 266,396,932,317.12/584,765.98
  6. Step 6: Final answer
    x = 455,561.61

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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.