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Finding the Fourth Proportional to 486,564.30, 729,846.45 and 352,817.10

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Solution

The fourth proportional to 486,564.30, 729,846.45 and 352,817.10 is: 529,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,564.30 : 729,846.45 = 352,817.10 : x
  2. Step 2: Convert to fraction form
    486,564.30/729,846.45 = 352,817.10/x
  3. Step 3: Cross multiply
    486,564.30x = 729,846.45 × 352,817.10
  4. Step 4: Simplify right side
    486,564.30x = 257,502,307,934.30
  5. Step 5: Solve for x
    x = 257,502,307,934.30/486,564.30
  6. Step 6: Final answer
    x = 529,225.65

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Similar ratio
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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.