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Finding the Fourth Proportional to 605,152.60, 907,871.06 and 339,096.76

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Solution

The fourth proportional to 605,152.60, 907,871.06 and 339,096.76 is: 508,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,152.60 : 907,871.06 = 339,096.76 : x
  2. Step 2: Convert to fraction form
    605,152.60/907,871.06 = 339,096.76/x
  3. Step 3: Cross multiply
    605,152.60x = 907,871.06 × 339,096.76
  4. Step 4: Simplify right side
    605,152.60x = 307,856,133,521.83
  5. Step 5: Solve for x
    x = 307,856,133,521.83/605,152.60
  6. Step 6: Final answer
    x = 508,724.80

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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.