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Finding the Fourth Proportional to 426,291.84, 588,271.60 and 235,301.12

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Solution

The fourth proportional to 426,291.84, 588,271.60 and 235,301.12 is: 324,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,291.84 : 588,271.60 = 235,301.12 : x
  2. Step 2: Convert to fraction form
    426,291.84/588,271.60 = 235,301.12/x
  3. Step 3: Cross multiply
    426,291.84x = 588,271.60 × 235,301.12
  4. Step 4: Simplify right side
    426,291.84x = 138,420,966,344.19
  5. Step 5: Solve for x
    x = 138,420,966,344.19/426,291.84
  6. Step 6: Final answer
    x = 324,709.40

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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.