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Finding the Fourth Proportional to 551,366.56, 826,911.60 and 403,349.92

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Solution

The fourth proportional to 551,366.56, 826,911.60 and 403,349.92 is: 604,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,366.56 : 826,911.60 = 403,349.92 : x
  2. Step 2: Convert to fraction form
    551,366.56/826,911.60 = 403,349.92/x
  3. Step 3: Cross multiply
    551,366.56x = 826,911.60 × 403,349.92
  4. Step 4: Simplify right side
    551,366.56x = 333,534,727,707.07
  5. Step 5: Solve for x
    x = 333,534,727,707.07/551,366.56
  6. Step 6: Final answer
    x = 604,923.75

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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.