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Finding the Fourth Proportional to 543,670.60, 750,239.96 and 301,967.92

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Solution

The fourth proportional to 543,670.60, 750,239.96 and 301,967.92 is: 416,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,670.60 : 750,239.96 = 301,967.92 : x
  2. Step 2: Convert to fraction form
    543,670.60/750,239.96 = 301,967.92/x
  3. Step 3: Cross multiply
    543,670.60x = 750,239.96 × 301,967.92
  4. Step 4: Simplify right side
    543,670.60x = 226,548,400,222.08
  5. Step 5: Solve for x
    x = 226,548,400,222.08/543,670.60
  6. Step 6: Final answer
    x = 416,701.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.