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Finding the Fourth Proportional to 551,458.10, 827,284.35 and 196,678.10

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Solution

The fourth proportional to 551,458.10, 827,284.35 and 196,678.10 is: 295,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,458.10 : 827,284.35 = 196,678.10 : x
  2. Step 2: Convert to fraction form
    551,458.10/827,284.35 = 196,678.10/x
  3. Step 3: Cross multiply
    551,458.10x = 827,284.35 × 196,678.10
  4. Step 4: Simplify right side
    551,458.10x = 162,708,714,117.74
  5. Step 5: Solve for x
    x = 162,708,714,117.74/551,458.10
  6. Step 6: Final answer
    x = 295,051.82

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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.