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Finding the Fourth Proportional to 452,475.93, 624,421.92 and 248,531.64

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Solution

The fourth proportional to 452,475.93, 624,421.92 and 248,531.64 is: 342,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,475.93 : 624,421.92 = 248,531.64 : x
  2. Step 2: Convert to fraction form
    452,475.93/624,421.92 = 248,531.64/x
  3. Step 3: Cross multiply
    452,475.93x = 624,421.92 × 248,531.64
  4. Step 4: Simplify right side
    452,475.93x = 155,188,603,829.55
  5. Step 5: Solve for x
    x = 155,188,603,829.55/452,475.93
  6. Step 6: Final answer
    x = 342,976.48

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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.