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Finding the Fourth Proportional to 488,329.34, 732,379.16 and 133,258.95

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Solution

The fourth proportional to 488,329.34, 732,379.16 and 133,258.95 is: 199,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,329.34 : 732,379.16 = 133,258.95 : x
  2. Step 2: Convert to fraction form
    488,329.34/732,379.16 = 133,258.95/x
  3. Step 3: Cross multiply
    488,329.34x = 732,379.16 × 133,258.95
  4. Step 4: Simplify right side
    488,329.34x = 97,596,078,196.63
  5. Step 5: Solve for x
    x = 97,596,078,196.63/488,329.34
  6. Step 6: Final answer
    x = 199,857.09

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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.