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Finding the Fourth Proportional to 541,927.68, 812,592.90 and 186,648.72

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Solution

The fourth proportional to 541,927.68, 812,592.90 and 186,648.72 is: 279,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,927.68 : 812,592.90 = 186,648.72 : x
  2. Step 2: Convert to fraction form
    541,927.68/812,592.90 = 186,648.72/x
  3. Step 3: Cross multiply
    541,927.68x = 812,592.90 × 186,648.72
  4. Step 4: Simplify right side
    541,927.68x = 151,669,424,666.09
  5. Step 5: Solve for x
    x = 151,669,424,666.09/541,927.68
  6. Step 6: Final answer
    x = 279,870.23

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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.