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Finding the Fourth Proportional to 551,812.74, 827,587.89 and 152,444.76

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Solution

The fourth proportional to 551,812.74, 827,587.89 and 152,444.76 is: 228,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,812.74 : 827,587.89 = 152,444.76 : x
  2. Step 2: Convert to fraction form
    551,812.74/827,587.89 = 152,444.76/x
  3. Step 3: Cross multiply
    551,812.74x = 827,587.89 × 152,444.76
  4. Step 4: Simplify right side
    551,812.74x = 126,161,437,269.96
  5. Step 5: Solve for x
    x = 126,161,437,269.96/551,812.74
  6. Step 6: Final answer
    x = 228,630.89

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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.