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Finding the Fourth Proportional to 552,305.59, 762,092.80 and 310,573.74

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Solution

The fourth proportional to 552,305.59, 762,092.80 and 310,573.74 is: 428,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,305.59 : 762,092.80 = 310,573.74 : x
  2. Step 2: Convert to fraction form
    552,305.59/762,092.80 = 310,573.74/x
  3. Step 3: Cross multiply
    552,305.59x = 762,092.80 × 310,573.74
  4. Step 4: Simplify right side
    552,305.59x = 236,686,013,204.49
  5. Step 5: Solve for x
    x = 236,686,013,204.49/552,305.59
  6. Step 6: Final answer
    x = 428,541.77

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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.