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Finding the Fourth Proportional to 423,546.88, 584,513.76 and 253,777.36

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Solution

The fourth proportional to 423,546.88, 584,513.76 and 253,777.36 is: 350,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,546.88 : 584,513.76 = 253,777.36 : x
  2. Step 2: Convert to fraction form
    423,546.88/584,513.76 = 253,777.36/x
  3. Step 3: Cross multiply
    423,546.88x = 584,513.76 × 253,777.36
  4. Step 4: Simplify right side
    423,546.88x = 148,336,358,896.47
  5. Step 5: Solve for x
    x = 148,336,358,896.47/423,546.88
  6. Step 6: Final answer
    x = 350,224.18

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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.