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Finding the Fourth Proportional to 541,459.49, 812,258.79 and 253,069.72

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Solution

The fourth proportional to 541,459.49, 812,258.79 and 253,069.72 is: 379,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,459.49 : 812,258.79 = 253,069.72 : x
  2. Step 2: Convert to fraction form
    541,459.49/812,258.79 = 253,069.72/x
  3. Step 3: Cross multiply
    541,459.49x = 812,258.79 × 253,069.72
  4. Step 4: Simplify right side
    541,459.49x = 205,558,101,573.18
  5. Step 5: Solve for x
    x = 205,558,101,573.18/541,459.49
  6. Step 6: Final answer
    x = 379,637.09

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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.