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Finding the Fourth Proportional to 656,593.88, 906,113.42 and 370,113.89

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Solution

The fourth proportional to 656,593.88, 906,113.42 and 370,113.89 is: 510,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,593.88 : 906,113.42 = 370,113.89 : x
  2. Step 2: Convert to fraction form
    656,593.88/906,113.42 = 370,113.89/x
  3. Step 3: Cross multiply
    656,593.88x = 906,113.42 × 370,113.89
  4. Step 4: Simplify right side
    656,593.88x = 335,365,159,171.69
  5. Step 5: Solve for x
    x = 335,365,159,171.69/656,593.88
  6. Step 6: Final answer
    x = 510,764.98

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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.