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Finding the Fourth Proportional to 672,335.18, 927,822.55 and 366,411.55

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Solution

The fourth proportional to 672,335.18, 927,822.55 and 366,411.55 is: 505,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,335.18 : 927,822.55 = 366,411.55 : x
  2. Step 2: Convert to fraction form
    672,335.18/927,822.55 = 366,411.55/x
  3. Step 3: Cross multiply
    672,335.18x = 927,822.55 × 366,411.55
  4. Step 4: Simplify right side
    672,335.18x = 339,964,897,861.56
  5. Step 5: Solve for x
    x = 339,964,897,861.56/672,335.18
  6. Step 6: Final answer
    x = 505,647.94

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1.5x scale

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.