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Finding the Fourth Proportional to 595,128.08, 892,690.36 and 489,727.76

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Solution

The fourth proportional to 595,128.08, 892,690.36 and 489,727.76 is: 734,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,128.08 : 892,690.36 = 489,727.76 : x
  2. Step 2: Convert to fraction form
    595,128.08/892,690.36 = 489,727.76/x
  3. Step 3: Cross multiply
    595,128.08x = 892,690.36 × 489,727.76
  4. Step 4: Simplify right side
    595,128.08x = 437,175,250,376.39
  5. Step 5: Solve for x
    x = 437,175,250,376.39/595,128.08
  6. Step 6: Final answer
    x = 734,590.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.