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Finding the Fourth Proportional to 402,927.60, 603,516.60 and 350,439.60

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Solution

The fourth proportional to 402,927.60, 603,516.60 and 350,439.60 is: 524,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,927.60 : 603,516.60 = 350,439.60 : x
  2. Step 2: Convert to fraction form
    402,927.60/603,516.60 = 350,439.60/x
  3. Step 3: Cross multiply
    402,927.60x = 603,516.60 × 350,439.60
  4. Step 4: Simplify right side
    402,927.60x = 211,496,115,897.36
  5. Step 5: Solve for x
    x = 211,496,115,897.36/402,927.60
  6. Step 6: Final answer
    x = 524,898.56

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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.