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Finding the Fourth Proportional to 488,532.30, 731,715.72 and 375,379.62

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Solution

The fourth proportional to 488,532.30, 731,715.72 and 375,379.62 is: 562,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,532.30 : 731,715.72 = 375,379.62 : x
  2. Step 2: Convert to fraction form
    488,532.30/731,715.72 = 375,379.62/x
  3. Step 3: Cross multiply
    488,532.30x = 731,715.72 × 375,379.62
  4. Step 4: Simplify right side
    488,532.30x = 274,671,168,921.63
  5. Step 5: Solve for x
    x = 274,671,168,921.63/488,532.30
  6. Step 6: Final answer
    x = 562,237.48

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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.