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Finding the Fourth Proportional to 458,581.42, 632,838.72 and 251,847.46

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Solution

The fourth proportional to 458,581.42, 632,838.72 and 251,847.46 is: 347,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,581.42 : 632,838.72 = 251,847.46 : x
  2. Step 2: Convert to fraction form
    458,581.42/632,838.72 = 251,847.46/x
  3. Step 3: Cross multiply
    458,581.42x = 632,838.72 × 251,847.46
  4. Step 4: Simplify right side
    458,581.42x = 159,378,824,221.65
  5. Step 5: Solve for x
    x = 159,378,824,221.65/458,581.42
  6. Step 6: Final answer
    x = 347,547.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.