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Finding the Fourth Proportional to 647,804.52, 972,002.04 and 332,482.88

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Solution

The fourth proportional to 647,804.52, 972,002.04 and 332,482.88 is: 498,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,804.52 : 972,002.04 = 332,482.88 : x
  2. Step 2: Convert to fraction form
    647,804.52/972,002.04 = 332,482.88/x
  3. Step 3: Cross multiply
    647,804.52x = 972,002.04 × 332,482.88
  4. Step 4: Simplify right side
    647,804.52x = 323,174,037,625.08
  5. Step 5: Solve for x
    x = 323,174,037,625.08/647,804.52
  6. Step 6: Final answer
    x = 498,875.86

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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.