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Finding the Fourth Proportional to 463,996.52, 640,360.14 and 260,082.08

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Solution

The fourth proportional to 463,996.52, 640,360.14 and 260,082.08 is: 358,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,996.52 : 640,360.14 = 260,082.08 : x
  2. Step 2: Convert to fraction form
    463,996.52/640,360.14 = 260,082.08/x
  3. Step 3: Cross multiply
    463,996.52x = 640,360.14 × 260,082.08
  4. Step 4: Simplify right side
    463,996.52x = 166,546,197,160.29
  5. Step 5: Solve for x
    x = 166,546,197,160.29/463,996.52
  6. Step 6: Final answer
    x = 358,938.46

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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.