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Finding the Fourth Proportional to 556,222.12, 767,592.44 and 326,788.96

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Solution

The fourth proportional to 556,222.12, 767,592.44 and 326,788.96 is: 450,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,222.12 : 767,592.44 = 326,788.96 : x
  2. Step 2: Convert to fraction form
    556,222.12/767,592.44 = 326,788.96/x
  3. Step 3: Cross multiply
    556,222.12x = 767,592.44 × 326,788.96
  4. Step 4: Simplify right side
    556,222.12x = 250,840,735,171.46
  5. Step 5: Solve for x
    x = 250,840,735,171.46/556,222.12
  6. Step 6: Final answer
    x = 450,972.24

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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.