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Finding the Fourth Proportional to 563,461.56, 845,192.34 and 341,379

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Solution

The fourth proportional to 563,461.56, 845,192.34 and 341,379 is: 512,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,461.56 : 845,192.34 = 341,379 : x
  2. Step 2: Convert to fraction form
    563,461.56/845,192.34 = 341,379/x
  3. Step 3: Cross multiply
    563,461.56x = 845,192.34 × 341,379
  4. Step 4: Simplify right side
    563,461.56x = 288,530,915,836.86
  5. Step 5: Solve for x
    x = 288,530,915,836.86/563,461.56
  6. Step 6: Final answer
    x = 512,068.50

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Similar ratio
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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.