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Finding the Fourth Proportional to 486,575.55, 729,863.33 and 352,828.35

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Solution

The fourth proportional to 486,575.55, 729,863.33 and 352,828.35 is: 529,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,575.55 : 729,863.33 = 352,828.35 : x
  2. Step 2: Convert to fraction form
    486,575.55/729,863.33 = 352,828.35/x
  3. Step 3: Cross multiply
    486,575.55x = 729,863.33 × 352,828.35
  4. Step 4: Simplify right side
    486,575.55x = 257,516,472,685.26
  5. Step 5: Solve for x
    x = 257,516,472,685.26/486,575.55
  6. Step 6: Final answer
    x = 529,242.53

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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.