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Finding the Fourth Proportional to 604,839.40, 907,604.70 and 231,130.60

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Solution

The fourth proportional to 604,839.40, 907,604.70 and 231,130.60 is: 346,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,839.40 : 907,604.70 = 231,130.60 : x
  2. Step 2: Convert to fraction form
    604,839.40/907,604.70 = 231,130.60/x
  3. Step 3: Cross multiply
    604,839.40x = 907,604.70 × 231,130.60
  4. Step 4: Simplify right side
    604,839.40x = 209,775,218,873.82
  5. Step 5: Solve for x
    x = 209,775,218,873.82/604,839.40
  6. Step 6: Final answer
    x = 346,827.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.