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Finding the Fourth Proportional to 552,597.76, 762,553.74 and 310,890.52

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Solution

The fourth proportional to 552,597.76, 762,553.74 and 310,890.52 is: 429,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,597.76 : 762,553.74 = 310,890.52 : x
  2. Step 2: Convert to fraction form
    552,597.76/762,553.74 = 310,890.52/x
  3. Step 3: Cross multiply
    552,597.76x = 762,553.74 × 310,890.52
  4. Step 4: Simplify right side
    552,597.76x = 237,070,728,756.55
  5. Step 5: Solve for x
    x = 237,070,728,756.55/552,597.76
  6. Step 6: Final answer
    x = 429,011.38

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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.