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Finding the Fourth Proportional to 657,637.30, 907,448.43 and 367,213.42

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Solution

The fourth proportional to 657,637.30, 907,448.43 and 367,213.42 is: 506,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,637.30 : 907,448.43 = 367,213.42 : x
  2. Step 2: Convert to fraction form
    657,637.30/907,448.43 = 367,213.42/x
  3. Step 3: Cross multiply
    657,637.30x = 907,448.43 × 367,213.42
  4. Step 4: Simplify right side
    657,637.30x = 333,227,241,453.93
  5. Step 5: Solve for x
    x = 333,227,241,453.93/657,637.30
  6. Step 6: Final answer
    x = 506,703.68

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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.