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Finding the Fourth Proportional to 552,386.64, 762,110.28 and 450,236.46

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Solution

The fourth proportional to 552,386.64, 762,110.28 and 450,236.46 is: 621,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,386.64 : 762,110.28 = 450,236.46 : x
  2. Step 2: Convert to fraction form
    552,386.64/762,110.28 = 450,236.46/x
  3. Step 3: Cross multiply
    552,386.64x = 762,110.28 × 450,236.46
  4. Step 4: Simplify right side
    552,386.64x = 343,129,834,596.81
  5. Step 5: Solve for x
    x = 343,129,834,596.81/552,386.64
  6. Step 6: Final answer
    x = 621,176.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.