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Finding the Fourth Proportional to 653,809.51, 902,253.70 and 367,327.09

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Solution

The fourth proportional to 653,809.51, 902,253.70 and 367,327.09 is: 506,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,809.51 : 902,253.70 = 367,327.09 : x
  2. Step 2: Convert to fraction form
    653,809.51/902,253.70 = 367,327.09/x
  3. Step 3: Cross multiply
    653,809.51x = 902,253.70 × 367,327.09
  4. Step 4: Simplify right side
    653,809.51x = 331,422,226,062.73
  5. Step 5: Solve for x
    x = 331,422,226,062.73/653,809.51
  6. Step 6: Final answer
    x = 506,909.46

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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.