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Finding the Fourth Proportional to 217,063.63, 323,670.63 and 202,585.69

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Solution

The fourth proportional to 217,063.63, 323,670.63 and 202,585.69 is: 302,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,063.63 : 323,670.63 = 202,585.69 : x
  2. Step 2: Convert to fraction form
    217,063.63/323,670.63 = 202,585.69/x
  3. Step 3: Cross multiply
    217,063.63x = 323,670.63 × 202,585.69
  4. Step 4: Simplify right side
    217,063.63x = 65,571,037,911.28
  5. Step 5: Solve for x
    x = 65,571,037,911.28/217,063.63
  6. Step 6: Final answer
    x = 302,082.10

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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.