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Finding the Fourth Proportional to 528,014.10, 792,027.63 and 349,243.86

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Solution

The fourth proportional to 528,014.10, 792,027.63 and 349,243.86 is: 523,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,014.10 : 792,027.63 = 349,243.86 : x
  2. Step 2: Convert to fraction form
    528,014.10/792,027.63 = 349,243.86/x
  3. Step 3: Cross multiply
    528,014.10x = 792,027.63 × 349,243.86
  4. Step 4: Simplify right side
    528,014.10x = 276,610,786,727.85
  5. Step 5: Solve for x
    x = 276,610,786,727.85/528,014.10
  6. Step 6: Final answer
    x = 523,870.08

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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.