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Finding the Fourth Proportional to 532,625.06, 735,022.55 and 290,908.20

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Solution

The fourth proportional to 532,625.06, 735,022.55 and 290,908.20 is: 401,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,625.06 : 735,022.55 = 290,908.20 : x
  2. Step 2: Convert to fraction form
    532,625.06/735,022.55 = 290,908.20/x
  3. Step 3: Cross multiply
    532,625.06x = 735,022.55 × 290,908.20
  4. Step 4: Simplify right side
    532,625.06x = 213,824,090,463.52
  5. Step 5: Solve for x
    x = 213,824,090,463.52/532,625.06
  6. Step 6: Final answer
    x = 401,453.30

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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.