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Finding the Fourth Proportional to 332,406.68, 498,610 and 155,037.74

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Solution

The fourth proportional to 332,406.68, 498,610 and 155,037.74 is: 232,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,406.68 : 498,610 = 155,037.74 : x
  2. Step 2: Convert to fraction form
    332,406.68/498,610 = 155,037.74/x
  3. Step 3: Cross multiply
    332,406.68x = 498,610 × 155,037.74
  4. Step 4: Simplify right side
    332,406.68x = 77,303,367,541.40
  5. Step 5: Solve for x
    x = 77,303,367,541.40/332,406.68
  6. Step 6: Final answer
    x = 232,556.60

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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.