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Finding the Fourth Proportional to 262,347.84, 391,475.61 and 234,073.54

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Solution

The fourth proportional to 262,347.84, 391,475.61 and 234,073.54 is: 349,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,347.84 : 391,475.61 = 234,073.54 : x
  2. Step 2: Convert to fraction form
    262,347.84/391,475.61 = 234,073.54/x
  3. Step 3: Cross multiply
    262,347.84x = 391,475.61 × 234,073.54
  4. Step 4: Simplify right side
    262,347.84x = 91,634,081,856.36
  5. Step 5: Solve for x
    x = 91,634,081,856.36/262,347.84
  6. Step 6: Final answer
    x = 349,284.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.