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Finding the Fourth Proportional to 622,210.92, 933,108.78 and 243,033.30

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Solution

The fourth proportional to 622,210.92, 933,108.78 and 243,033.30 is: 364,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,210.92 : 933,108.78 = 243,033.30 : x
  2. Step 2: Convert to fraction form
    622,210.92/933,108.78 = 243,033.30/x
  3. Step 3: Cross multiply
    622,210.92x = 933,108.78 × 243,033.30
  4. Step 4: Simplify right side
    622,210.92x = 226,776,506,062.37
  5. Step 5: Solve for x
    x = 226,776,506,062.37/622,210.92
  6. Step 6: Final answer
    x = 364,468.86

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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.