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Finding the Fourth Proportional to 426,314.16, 588,317.64 and 235,323.45

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Solution

The fourth proportional to 426,314.16, 588,317.64 and 235,323.45 is: 324,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,314.16 : 588,317.64 = 235,323.45 : x
  2. Step 2: Convert to fraction form
    426,314.16/588,317.64 = 235,323.45/x
  3. Step 3: Cross multiply
    426,314.16x = 588,317.64 × 235,323.45
  4. Step 4: Simplify right side
    426,314.16x = 138,444,936,740.66
  5. Step 5: Solve for x
    x = 138,444,936,740.66/426,314.16
  6. Step 6: Final answer
    x = 324,748.62

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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.