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Finding the Fourth Proportional to 452,257.98, 678,242.93 and 148,581.63

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Solution

The fourth proportional to 452,257.98, 678,242.93 and 148,581.63 is: 222,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,257.98 : 678,242.93 = 148,581.63 : x
  2. Step 2: Convert to fraction form
    452,257.98/678,242.93 = 148,581.63/x
  3. Step 3: Cross multiply
    452,257.98x = 678,242.93 × 148,581.63
  4. Step 4: Simplify right side
    452,257.98x = 100,774,439,332.47
  5. Step 5: Solve for x
    x = 100,774,439,332.47/452,257.98
  6. Step 6: Final answer
    x = 222,825.12

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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.