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Finding the Fourth Proportional to 352,134.40, 527,618.40 and 299,646.40

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Solution

The fourth proportional to 352,134.40, 527,618.40 and 299,646.40 is: 448,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,134.40 : 527,618.40 = 299,646.40 : x
  2. Step 2: Convert to fraction form
    352,134.40/527,618.40 = 299,646.40/x
  3. Step 3: Cross multiply
    352,134.40x = 527,618.40 × 299,646.40
  4. Step 4: Simplify right side
    352,134.40x = 158,098,954,133.76
  5. Step 5: Solve for x
    x = 158,098,954,133.76/352,134.40
  6. Step 6: Final answer
    x = 448,973.33

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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.