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Finding the Fourth Proportional to 535,815.40, 802,605.30 and 251,748.40

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Solution

The fourth proportional to 535,815.40, 802,605.30 and 251,748.40 is: 377,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,815.40 : 802,605.30 = 251,748.40 : x
  2. Step 2: Convert to fraction form
    535,815.40/802,605.30 = 251,748.40/x
  3. Step 3: Cross multiply
    535,815.40x = 802,605.30 × 251,748.40
  4. Step 4: Simplify right side
    535,815.40x = 202,054,600,106.52
  5. Step 5: Solve for x
    x = 202,054,600,106.52/535,815.40
  6. Step 6: Final answer
    x = 377,097.41

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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.