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Finding the Fourth Proportional to 551,312.61, 827,000.03 and 196,326.66

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Solution

The fourth proportional to 551,312.61, 827,000.03 and 196,326.66 is: 294,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,312.61 : 827,000.03 = 196,326.66 : x
  2. Step 2: Convert to fraction form
    551,312.61/827,000.03 = 196,326.66/x
  3. Step 3: Cross multiply
    551,312.61x = 827,000.03 × 196,326.66
  4. Step 4: Simplify right side
    551,312.61x = 162,362,153,709.80
  5. Step 5: Solve for x
    x = 162,362,153,709.80/551,312.61
  6. Step 6: Final answer
    x = 294,501.07

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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.