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Finding the Fourth Proportional to 624,003.40, 936,005.10 and 503,734.60

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Solution

The fourth proportional to 624,003.40, 936,005.10 and 503,734.60 is: 755,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,003.40 : 936,005.10 = 503,734.60 : x
  2. Step 2: Convert to fraction form
    624,003.40/936,005.10 = 503,734.60/x
  3. Step 3: Cross multiply
    624,003.40x = 936,005.10 × 503,734.60
  4. Step 4: Simplify right side
    624,003.40x = 471,498,154,646.46
  5. Step 5: Solve for x
    x = 471,498,154,646.46/624,003.40
  6. Step 6: Final answer
    x = 755,601.90

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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.