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Finding the Fourth Proportional to 653,725.63, 902,043.16 and 367,190.83

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Solution

The fourth proportional to 653,725.63, 902,043.16 and 367,190.83 is: 506,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,725.63 : 902,043.16 = 367,190.83 : x
  2. Step 2: Convert to fraction form
    653,725.63/902,043.16 = 367,190.83/x
  3. Step 3: Cross multiply
    653,725.63x = 902,043.16 × 367,190.83
  4. Step 4: Simplify right side
    653,725.63x = 331,221,976,616.22
  5. Step 5: Solve for x
    x = 331,221,976,616.22/653,725.63
  6. Step 6: Final answer
    x = 506,668.18

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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.