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Finding the Fourth Proportional to 300,275.48, 414,530.18 and 172,926.48

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Solution

The fourth proportional to 300,275.48, 414,530.18 and 172,926.48 is: 238,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,275.48 : 414,530.18 = 172,926.48 : x
  2. Step 2: Convert to fraction form
    300,275.48/414,530.18 = 172,926.48/x
  3. Step 3: Cross multiply
    300,275.48x = 414,530.18 × 172,926.48
  4. Step 4: Simplify right side
    300,275.48x = 71,683,244,881.17
  5. Step 5: Solve for x
    x = 71,683,244,881.17/300,275.48
  6. Step 6: Final answer
    x = 238,724.94

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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.