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Finding the Fourth Proportional to 426,063.56, 587,985.50 and 235,089.32

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Solution

The fourth proportional to 426,063.56, 587,985.50 and 235,089.32 is: 324,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,063.56 : 587,985.50 = 235,089.32 : x
  2. Step 2: Convert to fraction form
    426,063.56/587,985.50 = 235,089.32/x
  3. Step 3: Cross multiply
    426,063.56x = 587,985.50 × 235,089.32
  4. Step 4: Simplify right side
    426,063.56x = 138,229,111,364.86
  5. Step 5: Solve for x
    x = 138,229,111,364.86/426,063.56
  6. Step 6: Final answer
    x = 324,433.08

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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.