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Finding the Fourth Proportional to 499,307.49, 748,887.38 and 183,690.57

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Solution

The fourth proportional to 499,307.49, 748,887.38 and 183,690.57 is: 275,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,307.49 : 748,887.38 = 183,690.57 : x
  2. Step 2: Convert to fraction form
    499,307.49/748,887.38 = 183,690.57/x
  3. Step 3: Cross multiply
    499,307.49x = 748,887.38 × 183,690.57
  4. Step 4: Simplify right side
    499,307.49x = 137,563,548,779.55
  5. Step 5: Solve for x
    x = 137,563,548,779.55/499,307.49
  6. Step 6: Final answer
    x = 275,508.68

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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.