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Finding the Fourth Proportional to 570,190.06, 786,864.36 and 308,545.36

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Solution

The fourth proportional to 570,190.06, 786,864.36 and 308,545.36 is: 425,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,190.06 : 786,864.36 = 308,545.36 : x
  2. Step 2: Convert to fraction form
    570,190.06/786,864.36 = 308,545.36/x
  3. Step 3: Cross multiply
    570,190.06x = 786,864.36 × 308,545.36
  4. Step 4: Simplify right side
    570,190.06x = 242,783,347,227.37
  5. Step 5: Solve for x
    x = 242,783,347,227.37/570,190.06
  6. Step 6: Final answer
    x = 425,793.72

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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.