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Finding the Fourth Proportional to 450,856.86, 622,075.68 and 267,002.58

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Solution

The fourth proportional to 450,856.86, 622,075.68 and 267,002.58 is: 368,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,856.86 : 622,075.68 = 267,002.58 : x
  2. Step 2: Convert to fraction form
    450,856.86/622,075.68 = 267,002.58/x
  3. Step 3: Cross multiply
    450,856.86x = 622,075.68 × 267,002.58
  4. Step 4: Simplify right side
    450,856.86x = 166,095,811,515.25
  5. Step 5: Solve for x
    x = 166,095,811,515.25/450,856.86
  6. Step 6: Final answer
    x = 368,400.32

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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.