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Finding the Fourth Proportional to 528,502.98, 792,726.15 and 186,922.74

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Solution

The fourth proportional to 528,502.98, 792,726.15 and 186,922.74 is: 280,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,502.98 : 792,726.15 = 186,922.74 : x
  2. Step 2: Convert to fraction form
    528,502.98/792,726.15 = 186,922.74/x
  3. Step 3: Cross multiply
    528,502.98x = 792,726.15 × 186,922.74
  4. Step 4: Simplify right side
    528,502.98x = 148,178,544,027.65
  5. Step 5: Solve for x
    x = 148,178,544,027.65/528,502.98
  6. Step 6: Final answer
    x = 280,374.09

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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.