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Finding the Fourth Proportional to 578,059.74, 797,753.43 and 323,395.74

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Solution

The fourth proportional to 578,059.74, 797,753.43 and 323,395.74 is: 446,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,059.74 : 797,753.43 = 323,395.74 : x
  2. Step 2: Convert to fraction form
    578,059.74/797,753.43 = 323,395.74/x
  3. Step 3: Cross multiply
    578,059.74x = 797,753.43 × 323,395.74
  4. Step 4: Simplify right side
    578,059.74x = 257,990,060,832.39
  5. Step 5: Solve for x
    x = 257,990,060,832.39/578,059.74
  6. Step 6: Final answer
    x = 446,303.46

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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.