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Finding the Fourth Proportional to 622,057.32, 932,530.32 and 242,889.84

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Solution

The fourth proportional to 622,057.32, 932,530.32 and 242,889.84 is: 364,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,057.32 : 932,530.32 = 242,889.84 : x
  2. Step 2: Convert to fraction form
    622,057.32/932,530.32 = 242,889.84/x
  3. Step 3: Cross multiply
    622,057.32x = 932,530.32 × 242,889.84
  4. Step 4: Simplify right side
    622,057.32x = 226,502,140,219.95
  5. Step 5: Solve for x
    x = 226,502,140,219.95/622,057.32
  6. Step 6: Final answer
    x = 364,117.80

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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.