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Finding the Fourth Proportional to 552,583.83, 762,522.08 and 310,818.27

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Solution

The fourth proportional to 552,583.83, 762,522.08 and 310,818.27 is: 428,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,583.83 : 762,522.08 = 310,818.27 : x
  2. Step 2: Convert to fraction form
    552,583.83/762,522.08 = 310,818.27/x
  3. Step 3: Cross multiply
    552,583.83x = 762,522.08 × 310,818.27
  4. Step 4: Simplify right side
    552,583.83x = 237,005,792,188.31
  5. Step 5: Solve for x
    x = 237,005,792,188.31/552,583.83
  6. Step 6: Final answer
    x = 428,904.68

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1.5x scale

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.