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Finding the Fourth Proportional to 559,554.06, 839,656.76 and 235,318.86

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Solution

The fourth proportional to 559,554.06, 839,656.76 and 235,318.86 is: 353,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,554.06 : 839,656.76 = 235,318.86 : x
  2. Step 2: Convert to fraction form
    559,554.06/839,656.76 = 235,318.86/x
  3. Step 3: Cross multiply
    559,554.06x = 839,656.76 × 235,318.86
  4. Step 4: Simplify right side
    559,554.06x = 197,587,070,377.90
  5. Step 5: Solve for x
    x = 197,587,070,377.90/559,554.06
  6. Step 6: Final answer
    x = 353,115.25

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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.