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Finding the Fourth Proportional to 532,653.79, 735,057.85 and 290,936.53

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Solution

The fourth proportional to 532,653.79, 735,057.85 and 290,936.53 is: 401,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,653.79 : 735,057.85 = 290,936.53 : x
  2. Step 2: Convert to fraction form
    532,653.79/735,057.85 = 290,936.53/x
  3. Step 3: Cross multiply
    532,653.79x = 735,057.85 × 290,936.53
  4. Step 4: Simplify right side
    532,653.79x = 213,855,180,228.26
  5. Step 5: Solve for x
    x = 213,855,180,228.26/532,653.79
  6. Step 6: Final answer
    x = 401,490.02

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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.