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Finding the Fourth Proportional to 452,263.98, 678,251.93 and 148,587.63

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Solution

The fourth proportional to 452,263.98, 678,251.93 and 148,587.63 is: 222,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,263.98 : 678,251.93 = 148,587.63 : x
  2. Step 2: Convert to fraction form
    452,263.98/678,251.93 = 148,587.63/x
  3. Step 3: Cross multiply
    452,263.98x = 678,251.93 × 148,587.63
  4. Step 4: Simplify right side
    452,263.98x = 100,779,846,078.69
  5. Step 5: Solve for x
    x = 100,779,846,078.69/452,263.98
  6. Step 6: Final answer
    x = 222,834.12

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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.