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Finding the Fourth Proportional to 541,676.19, 747,503.87 and 299,953.56

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Solution

The fourth proportional to 541,676.19, 747,503.87 and 299,953.56 is: 413,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,676.19 : 747,503.87 = 299,953.56 : x
  2. Step 2: Convert to fraction form
    541,676.19/747,503.87 = 299,953.56/x
  3. Step 3: Cross multiply
    541,676.19x = 747,503.87 × 299,953.56
  4. Step 4: Simplify right side
    541,676.19x = 224,216,445,420.51
  5. Step 5: Solve for x
    x = 224,216,445,420.51/541,676.19
  6. Step 6: Final answer
    x = 413,930.78

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Double scale
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Similar ratio
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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.