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Finding the Fourth Proportional to 527,599.73, 728,101.08 and 323,763.23

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Solution

The fourth proportional to 527,599.73, 728,101.08 and 323,763.23 is: 446,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,599.73 : 728,101.08 = 323,763.23 : x
  2. Step 2: Convert to fraction form
    527,599.73/728,101.08 = 323,763.23/x
  3. Step 3: Cross multiply
    527,599.73x = 728,101.08 × 323,763.23
  4. Step 4: Simplify right side
    527,599.73x = 235,732,357,427.29
  5. Step 5: Solve for x
    x = 235,732,357,427.29/527,599.73
  6. Step 6: Final answer
    x = 446,801.51

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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.