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Finding the Fourth Proportional to 551,962.68, 827,942.40 and 152,602.44

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Solution

The fourth proportional to 551,962.68, 827,942.40 and 152,602.44 is: 228,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,962.68 : 827,942.40 = 152,602.44 : x
  2. Step 2: Convert to fraction form
    551,962.68/827,942.40 = 152,602.44/x
  3. Step 3: Cross multiply
    551,962.68x = 827,942.40 × 152,602.44
  4. Step 4: Simplify right side
    551,962.68x = 126,346,030,419.46
  5. Step 5: Solve for x
    x = 126,346,030,419.46/551,962.68
  6. Step 6: Final answer
    x = 228,903.21

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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.