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Finding the Fourth Proportional to 488,424.40, 732,539.40 and 235,704.40

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Solution

The fourth proportional to 488,424.40, 732,539.40 and 235,704.40 is: 353,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,424.40 : 732,539.40 = 235,704.40 : x
  2. Step 2: Convert to fraction form
    488,424.40/732,539.40 = 235,704.40/x
  3. Step 3: Cross multiply
    488,424.40x = 732,539.40 × 235,704.40
  4. Step 4: Simplify right side
    488,424.40x = 172,662,759,753.36
  5. Step 5: Solve for x
    x = 172,662,759,753.36/488,424.40
  6. Step 6: Final answer
    x = 353,509.69

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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.