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Finding the Fourth Proportional to 604,849.60, 907,274.40 and 309,937.60

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Solution

The fourth proportional to 604,849.60, 907,274.40 and 309,937.60 is: 464,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,849.60 : 907,274.40 = 309,937.60 : x
  2. Step 2: Convert to fraction form
    604,849.60/907,274.40 = 309,937.60/x
  3. Step 3: Cross multiply
    604,849.60x = 907,274.40 × 309,937.60
  4. Step 4: Simplify right side
    604,849.60x = 281,198,450,077.44
  5. Step 5: Solve for x
    x = 281,198,450,077.44/604,849.60
  6. Step 6: Final answer
    x = 464,906.40

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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.