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Finding the Fourth Proportional to 488,345.32, 732,433.98 and 146,783.56

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Solution

The fourth proportional to 488,345.32, 732,433.98 and 146,783.56 is: 220,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,345.32 : 732,433.98 = 146,783.56 : x
  2. Step 2: Convert to fraction form
    488,345.32/732,433.98 = 146,783.56/x
  3. Step 3: Cross multiply
    488,345.32x = 732,433.98 × 146,783.56
  4. Step 4: Simplify right side
    488,345.32x = 107,509,267,049.37
  5. Step 5: Solve for x
    x = 107,509,267,049.37/488,345.32
  6. Step 6: Final answer
    x = 220,150.09

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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.