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Finding the Fourth Proportional to 584,310.30, 876,400.65 and 163,628.70

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Solution

The fourth proportional to 584,310.30, 876,400.65 and 163,628.70 is: 245,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,310.30 : 876,400.65 = 163,628.70 : x
  2. Step 2: Convert to fraction form
    584,310.30/876,400.65 = 163,628.70/x
  3. Step 3: Cross multiply
    584,310.30x = 876,400.65 × 163,628.70
  4. Step 4: Simplify right side
    584,310.30x = 143,404,299,038.66
  5. Step 5: Solve for x
    x = 143,404,299,038.66/584,310.30
  6. Step 6: Final answer
    x = 245,424.90

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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.