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Finding the Fourth Proportional to 544,300.56, 815,471.28 and 512,279.64

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Solution

The fourth proportional to 544,300.56, 815,471.28 and 512,279.64 is: 767,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,300.56 : 815,471.28 = 512,279.64 : x
  2. Step 2: Convert to fraction form
    544,300.56/815,471.28 = 512,279.64/x
  3. Step 3: Cross multiply
    544,300.56x = 815,471.28 × 512,279.64
  4. Step 4: Simplify right side
    544,300.56x = 417,749,333,748.74
  5. Step 5: Solve for x
    x = 417,749,333,748.74/544,300.56
  6. Step 6: Final answer
    x = 767,497.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.