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Finding the Fourth Proportional to 588,889.90, 812,607.02 and 330,795.82

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Solution

The fourth proportional to 588,889.90, 812,607.02 and 330,795.82 is: 456,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,889.90 : 812,607.02 = 330,795.82 : x
  2. Step 2: Convert to fraction form
    588,889.90/812,607.02 = 330,795.82/x
  3. Step 3: Cross multiply
    588,889.90x = 812,607.02 × 330,795.82
  4. Step 4: Simplify right side
    588,889.90x = 268,807,005,518.66
  5. Step 5: Solve for x
    x = 268,807,005,518.66/588,889.90
  6. Step 6: Final answer
    x = 456,463.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.