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Finding the Fourth Proportional to 556,564.77, 834,779.12 and 236,845.11

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Solution

The fourth proportional to 556,564.77, 834,779.12 and 236,845.11 is: 355,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,564.77 : 834,779.12 = 236,845.11 : x
  2. Step 2: Convert to fraction form
    556,564.77/834,779.12 = 236,845.11/x
  3. Step 3: Cross multiply
    556,564.77x = 834,779.12 × 236,845.11
  4. Step 4: Simplify right side
    556,564.77x = 197,713,354,448.30
  5. Step 5: Solve for x
    x = 197,713,354,448.30/556,564.77
  6. Step 6: Final answer
    x = 355,238.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.