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Finding the Fourth Proportional to 559,722.51, 839,909.01 and 235,486.86

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Solution

The fourth proportional to 559,722.51, 839,909.01 and 235,486.86 is: 353,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,722.51 : 839,909.01 = 235,486.86 : x
  2. Step 2: Convert to fraction form
    559,722.51/839,909.01 = 235,486.86/x
  3. Step 3: Cross multiply
    559,722.51x = 839,909.01 × 235,486.86
  4. Step 4: Simplify right side
    559,722.51x = 197,787,535,450.61
  5. Step 5: Solve for x
    x = 197,787,535,450.61/559,722.51
  6. Step 6: Final answer
    x = 353,367.13

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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.