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Finding the Fourth Proportional to 328,560.84, 453,063.88 and 259,528.96

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Solution

The fourth proportional to 328,560.84, 453,063.88 and 259,528.96 is: 357,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,560.84 : 453,063.88 = 259,528.96 : x
  2. Step 2: Convert to fraction form
    328,560.84/453,063.88 = 259,528.96/x
  3. Step 3: Cross multiply
    328,560.84x = 453,063.88 × 259,528.96
  4. Step 4: Simplify right side
    328,560.84x = 117,583,198,480.71
  5. Step 5: Solve for x
    x = 117,583,198,480.71/328,560.84
  6. Step 6: Final answer
    x = 357,873.44

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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.