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Finding the Fourth Proportional to 607,276.41, 910,304.97 and 207,643.83

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Solution

The fourth proportional to 607,276.41, 910,304.97 and 207,643.83 is: 311,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,276.41 : 910,304.97 = 207,643.83 : x
  2. Step 2: Convert to fraction form
    607,276.41/910,304.97 = 207,643.83/x
  3. Step 3: Cross multiply
    607,276.41x = 910,304.97 × 207,643.83
  4. Step 4: Simplify right side
    607,276.41x = 189,019,210,438.84
  5. Step 5: Solve for x
    x = 189,019,210,438.84/607,276.41
  6. Step 6: Final answer
    x = 311,257.29

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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.