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Finding the Fourth Proportional to 556,662.96, 768,196.44 and 302,013.54

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Solution

The fourth proportional to 556,662.96, 768,196.44 and 302,013.54 is: 416,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,662.96 : 768,196.44 = 302,013.54 : x
  2. Step 2: Convert to fraction form
    556,662.96/768,196.44 = 302,013.54/x
  3. Step 3: Cross multiply
    556,662.96x = 768,196.44 × 302,013.54
  4. Step 4: Simplify right side
    556,662.96x = 232,005,726,259.80
  5. Step 5: Solve for x
    x = 232,005,726,259.80/556,662.96
  6. Step 6: Final answer
    x = 416,779.53

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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.