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Finding the Fourth Proportional to 532,025.11, 734,196.56 and 290,313.01

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Solution

The fourth proportional to 532,025.11, 734,196.56 and 290,313.01 is: 400,632.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,025.11 : 734,196.56 = 290,313.01 : x
  2. Step 2: Convert to fraction form
    532,025.11/734,196.56 = 290,313.01/x
  3. Step 3: Cross multiply
    532,025.11x = 734,196.56 × 290,313.01
  4. Step 4: Simplify right side
    532,025.11x = 213,146,812,731.43
  5. Step 5: Solve for x
    x = 213,146,812,731.43/532,025.11
  6. Step 6: Final answer
    x = 400,632.99

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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.