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Finding the Fourth Proportional to 438,254.84, 604,792.30 and 247,286.00

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Solution

The fourth proportional to 438,254.84, 604,792.30 and 247,286.00 is: 341,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,254.84 : 604,792.30 = 247,286.00 : x
  2. Step 2: Convert to fraction form
    438,254.84/604,792.30 = 247,286.00/x
  3. Step 3: Cross multiply
    438,254.84x = 604,792.30 × 247,286.00
  4. Step 4: Simplify right side
    438,254.84x = 149,556,669,591.57
  5. Step 5: Solve for x
    x = 149,556,669,591.57/438,254.84
  6. Step 6: Final answer
    x = 341,255.03

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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.