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Finding the Fourth Proportional to 262,112.58, 392,501.79 and 173,232.90

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Solution

The fourth proportional to 262,112.58, 392,501.79 and 173,232.90 is: 259,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,112.58 : 392,501.79 = 173,232.90 : x
  2. Step 2: Convert to fraction form
    262,112.58/392,501.79 = 173,232.90/x
  3. Step 3: Cross multiply
    262,112.58x = 392,501.79 × 173,232.90
  4. Step 4: Simplify right side
    262,112.58x = 67,994,223,336.89
  5. Step 5: Solve for x
    x = 67,994,223,336.89/262,112.58
  6. Step 6: Final answer
    x = 259,408.47

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1.5x scale

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.