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Finding the Fourth Proportional to 551,011.50, 826,420.44 and 151,555.94

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Solution

The fourth proportional to 551,011.50, 826,420.44 and 151,555.94 is: 227,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,011.50 : 826,420.44 = 151,555.94 : x
  2. Step 2: Convert to fraction form
    551,011.50/826,420.44 = 151,555.94/x
  3. Step 3: Cross multiply
    551,011.50x = 826,420.44 × 151,555.94
  4. Step 4: Simplify right side
    551,011.50x = 125,248,926,619.41
  5. Step 5: Solve for x
    x = 125,248,926,619.41/551,011.50
  6. Step 6: Final answer
    x = 227,307.28

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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.