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Finding the Fourth Proportional to 556,333.55, 834,842.96 and 219,316.85

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Solution

The fourth proportional to 556,333.55, 834,842.96 and 219,316.85 is: 329,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,333.55 : 834,842.96 = 219,316.85 : x
  2. Step 2: Convert to fraction form
    556,333.55/834,842.96 = 219,316.85/x
  3. Step 3: Cross multiply
    556,333.55x = 834,842.96 × 219,316.85
  4. Step 4: Simplify right side
    556,333.55x = 183,095,128,231.88
  5. Step 5: Solve for x
    x = 183,095,128,231.88/556,333.55
  6. Step 6: Final answer
    x = 329,110.35

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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.