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Finding the Fourth Proportional to 556,558.83, 768,053.14 and 301,911.84

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Solution

The fourth proportional to 556,558.83, 768,053.14 and 301,911.84 is: 416,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,558.83 : 768,053.14 = 301,911.84 : x
  2. Step 2: Convert to fraction form
    556,558.83/768,053.14 = 301,911.84/x
  3. Step 3: Cross multiply
    556,558.83x = 768,053.14 × 301,911.84
  4. Step 4: Simplify right side
    556,558.83x = 231,884,335,960.40
  5. Step 5: Solve for x
    x = 231,884,335,960.40/556,558.83
  6. Step 6: Final answer
    x = 416,639.40

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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.