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Finding the Fourth Proportional to 541,579.20, 747,402.64 and 299,861.77

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Solution

The fourth proportional to 541,579.20, 747,402.64 and 299,861.77 is: 413,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,579.20 : 747,402.64 = 299,861.77 : x
  2. Step 2: Convert to fraction form
    541,579.20/747,402.64 = 299,861.77/x
  3. Step 3: Cross multiply
    541,579.20x = 747,402.64 × 299,861.77
  4. Step 4: Simplify right side
    541,579.20x = 224,117,478,533.07
  5. Step 5: Solve for x
    x = 224,117,478,533.07/541,579.20
  6. Step 6: Final answer
    x = 413,822.17

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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.