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Finding the Fourth Proportional to 507,659.13, 700,569.59 and 281,304.63

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Solution

The fourth proportional to 507,659.13, 700,569.59 and 281,304.63 is: 388,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,659.13 : 700,569.59 = 281,304.63 : x
  2. Step 2: Convert to fraction form
    507,659.13/700,569.59 = 281,304.63/x
  3. Step 3: Cross multiply
    507,659.13x = 700,569.59 × 281,304.63
  4. Step 4: Simplify right side
    507,659.13x = 197,073,469,304.20
  5. Step 5: Solve for x
    x = 197,073,469,304.20/507,659.13
  6. Step 6: Final answer
    x = 388,200.38

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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.