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Finding the Fourth Proportional to 488,384.04, 732,457.98 and 133,399.92

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Solution

The fourth proportional to 488,384.04, 732,457.98 and 133,399.92 is: 200,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,384.04 : 732,457.98 = 133,399.92 : x
  2. Step 2: Convert to fraction form
    488,384.04/732,457.98 = 133,399.92/x
  3. Step 3: Cross multiply
    488,384.04x = 732,457.98 × 133,399.92
  4. Step 4: Simplify right side
    488,384.04x = 97,709,835,935.36
  5. Step 5: Solve for x
    x = 97,709,835,935.36/488,384.04
  6. Step 6: Final answer
    x = 200,067.63

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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.