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Finding the Fourth Proportional to 552,003.40, 828,005.10 and 530,230.60

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Solution

The fourth proportional to 552,003.40, 828,005.10 and 530,230.60 is: 795,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,003.40 : 828,005.10 = 530,230.60 : x
  2. Step 2: Convert to fraction form
    552,003.40/828,005.10 = 530,230.60/x
  3. Step 3: Cross multiply
    552,003.40x = 828,005.10 × 530,230.60
  4. Step 4: Simplify right side
    552,003.40x = 439,033,640,976.06
  5. Step 5: Solve for x
    x = 439,033,640,976.06/552,003.40
  6. Step 6: Final answer
    x = 795,345.90

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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.