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Finding the Fourth Proportional to 358,002.50, 533,631.27 and 329,272.27

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Solution

The fourth proportional to 358,002.50, 533,631.27 and 329,272.27 is: 490,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,002.50 : 533,631.27 = 329,272.27 : x
  2. Step 2: Convert to fraction form
    358,002.50/533,631.27 = 329,272.27/x
  3. Step 3: Cross multiply
    358,002.50x = 533,631.27 × 329,272.27
  4. Step 4: Simplify right side
    358,002.50x = 175,709,979,740.02
  5. Step 5: Solve for x
    x = 175,709,979,740.02/358,002.50
  6. Step 6: Final answer
    x = 490,806.57

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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.