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Finding the Fourth Proportional to 556,325.96, 767,734.65 and 301,677.17

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Solution

The fourth proportional to 556,325.96, 767,734.65 and 301,677.17 is: 416,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,325.96 : 767,734.65 = 301,677.17 : x
  2. Step 2: Convert to fraction form
    556,325.96/767,734.65 = 301,677.17/x
  3. Step 3: Cross multiply
    556,325.96x = 767,734.65 × 301,677.17
  4. Step 4: Simplify right side
    556,325.96x = 231,608,012,684.27
  5. Step 5: Solve for x
    x = 231,608,012,684.27/556,325.96
  6. Step 6: Final answer
    x = 416,317.11

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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.