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Finding the Fourth Proportional to 259,583.25, 357,900.35 and 216,624.63

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Solution

The fourth proportional to 259,583.25, 357,900.35 and 216,624.63 is: 298,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,583.25 : 357,900.35 = 216,624.63 : x
  2. Step 2: Convert to fraction form
    259,583.25/357,900.35 = 216,624.63/x
  3. Step 3: Cross multiply
    259,583.25x = 357,900.35 × 216,624.63
  4. Step 4: Simplify right side
    259,583.25x = 77,530,029,812.50
  5. Step 5: Solve for x
    x = 77,530,029,812.50/259,583.25
  6. Step 6: Final answer
    x = 298,671.16

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1.5x scale

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.