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Finding the Fourth Proportional to 577,680.30, 797,220.59 and 323,030.88

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Solution

The fourth proportional to 577,680.30, 797,220.59 and 323,030.88 is: 445,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,680.30 : 797,220.59 = 323,030.88 : x
  2. Step 2: Convert to fraction form
    577,680.30/797,220.59 = 323,030.88/x
  3. Step 3: Cross multiply
    577,680.30x = 797,220.59 × 323,030.88
  4. Step 4: Simplify right side
    577,680.30x = 257,526,867,126.67
  5. Step 5: Solve for x
    x = 257,526,867,126.67/577,680.30
  6. Step 6: Final answer
    x = 445,794.79

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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.