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Finding the Fourth Proportional to 532,622.03, 735,022.42 and 290,900.21

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Solution

The fourth proportional to 532,622.03, 735,022.42 and 290,900.21 is: 401,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,622.03 : 735,022.42 = 290,900.21 : x
  2. Step 2: Convert to fraction form
    532,622.03/735,022.42 = 290,900.21/x
  3. Step 3: Cross multiply
    532,622.03x = 735,022.42 × 290,900.21
  4. Step 4: Simplify right side
    532,622.03x = 213,818,171,930.35
  5. Step 5: Solve for x
    x = 213,818,171,930.35/532,622.03
  6. Step 6: Final answer
    x = 401,444.48

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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.