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Finding the Fourth Proportional to 522,259.92, 783,739.80 and 335,402.64

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Solution

The fourth proportional to 522,259.92, 783,739.80 and 335,402.64 is: 503,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,259.92 : 783,739.80 = 335,402.64 : x
  2. Step 2: Convert to fraction form
    522,259.92/783,739.80 = 335,402.64/x
  3. Step 3: Cross multiply
    522,259.92x = 783,739.80 × 335,402.64
  4. Step 4: Simplify right side
    522,259.92x = 262,868,397,993.07
  5. Step 5: Solve for x
    x = 262,868,397,993.07/522,259.92
  6. Step 6: Final answer
    x = 503,328.68

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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.