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Finding the Fourth Proportional to 519,152.60, 778,728.90 and 366,937.40

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Solution

The fourth proportional to 519,152.60, 778,728.90 and 366,937.40 is: 550,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,152.60 : 778,728.90 = 366,937.40 : x
  2. Step 2: Convert to fraction form
    519,152.60/778,728.90 = 366,937.40/x
  3. Step 3: Cross multiply
    519,152.60x = 778,728.90 × 366,937.40
  4. Step 4: Simplify right side
    519,152.60x = 285,744,757,870.86
  5. Step 5: Solve for x
    x = 285,744,757,870.86/519,152.60
  6. Step 6: Final answer
    x = 550,406.10

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Similar ratio
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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.