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Finding the Fourth Proportional to 601,304.70, 901,304.90 and 301,061.20

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Solution

The fourth proportional to 601,304.70, 901,304.90 and 301,061.20 is: 451,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,304.70 : 901,304.90 = 301,061.20 : x
  2. Step 2: Convert to fraction form
    601,304.70/901,304.90 = 301,061.20/x
  3. Step 3: Cross multiply
    601,304.70x = 901,304.90 × 301,061.20
  4. Step 4: Simplify right side
    601,304.70x = 271,347,934,759.88
  5. Step 5: Solve for x
    x = 271,347,934,759.88/601,304.70
  6. Step 6: Final answer
    x = 451,265.28

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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.