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Finding the Fourth Proportional to 489,184.55, 675,081.57 and 295,565.32

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Solution

The fourth proportional to 489,184.55, 675,081.57 and 295,565.32 is: 407,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,184.55 : 675,081.57 = 295,565.32 : x
  2. Step 2: Convert to fraction form
    489,184.55/675,081.57 = 295,565.32/x
  3. Step 3: Cross multiply
    489,184.55x = 675,081.57 × 295,565.32
  4. Step 4: Simplify right side
    489,184.55x = 199,530,700,263.15
  5. Step 5: Solve for x
    x = 199,530,700,263.15/489,184.55
  6. Step 6: Final answer
    x = 407,884.31

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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.