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Finding the Fourth Proportional to 433,143.08, 649,759.17 and 163,498.34

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Solution

The fourth proportional to 433,143.08, 649,759.17 and 163,498.34 is: 245,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,143.08 : 649,759.17 = 163,498.34 : x
  2. Step 2: Convert to fraction form
    433,143.08/649,759.17 = 163,498.34/x
  3. Step 3: Cross multiply
    433,143.08x = 649,759.17 × 163,498.34
  4. Step 4: Simplify right side
    433,143.08x = 106,234,547,932.30
  5. Step 5: Solve for x
    x = 106,234,547,932.30/433,143.08
  6. Step 6: Final answer
    x = 245,264.33

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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.