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Finding the Fourth Proportional to 541,536.40, 747,347.76 and 299,845.56

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Solution

The fourth proportional to 541,536.40, 747,347.76 and 299,845.56 is: 413,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,536.40 : 747,347.76 = 299,845.56 : x
  2. Step 2: Convert to fraction form
    541,536.40/747,347.76 = 299,845.56/x
  3. Step 3: Cross multiply
    541,536.40x = 747,347.76 × 299,845.56
  4. Step 4: Simplify right side
    541,536.40x = 224,088,907,611.95
  5. Step 5: Solve for x
    x = 224,088,907,611.95/541,536.40
  6. Step 6: Final answer
    x = 413,802.11

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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.