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Finding the Fourth Proportional to 556,212.48, 767,566.08 and 301,562.88

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Solution

The fourth proportional to 556,212.48, 767,566.08 and 301,562.88 is: 416,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,212.48 : 767,566.08 = 301,562.88 : x
  2. Step 2: Convert to fraction form
    556,212.48/767,566.08 = 301,562.88/x
  3. Step 3: Cross multiply
    556,212.48x = 767,566.08 × 301,562.88
  4. Step 4: Simplify right side
    556,212.48x = 231,469,437,675.11
  5. Step 5: Solve for x
    x = 231,469,437,675.11/556,212.48
  6. Step 6: Final answer
    x = 416,152.90

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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.