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Finding the Fourth Proportional to 556,362.88, 767,774.02 and 301,711.12

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Solution

The fourth proportional to 556,362.88, 767,774.02 and 301,711.12 is: 416,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,362.88 : 767,774.02 = 301,711.12 : x
  2. Step 2: Convert to fraction form
    556,362.88/767,774.02 = 301,711.12/x
  3. Step 3: Cross multiply
    556,362.88x = 767,774.02 × 301,711.12
  4. Step 4: Simplify right side
    556,362.88x = 231,645,959,481.10
  5. Step 5: Solve for x
    x = 231,645,959,481.10/556,362.88
  6. Step 6: Final answer
    x = 416,357.68

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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.