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Finding the Fourth Proportional to 551,385.60, 826,968 and 151,923.84

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Solution

The fourth proportional to 551,385.60, 826,968 and 151,923.84 is: 227,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,385.60 : 826,968 = 151,923.84 : x
  2. Step 2: Convert to fraction form
    551,385.60/826,968 = 151,923.84/x
  3. Step 3: Cross multiply
    551,385.60x = 826,968 × 151,923.84
  4. Step 4: Simplify right side
    551,385.60x = 125,636,154,117.12
  5. Step 5: Solve for x
    x = 125,636,154,117.12/551,385.60
  6. Step 6: Final answer
    x = 227,855.34

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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.