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Finding the Fourth Proportional to 565,521.04, 780,419.10 and 323,883.73

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Solution

The fourth proportional to 565,521.04, 780,419.10 and 323,883.73 is: 446,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,521.04 : 780,419.10 = 323,883.73 : x
  2. Step 2: Convert to fraction form
    565,521.04/780,419.10 = 323,883.73/x
  3. Step 3: Cross multiply
    565,521.04x = 780,419.10 × 323,883.73
  4. Step 4: Simplify right side
    565,521.04x = 252,765,049,071.24
  5. Step 5: Solve for x
    x = 252,765,049,071.24/565,521.04
  6. Step 6: Final answer
    x = 446,959.58

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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.