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Finding the Fourth Proportional to 452,820.81, 624,896.09 and 248,875.20

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Solution

The fourth proportional to 452,820.81, 624,896.09 and 248,875.20 is: 343,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,820.81 : 624,896.09 = 248,875.20 : x
  2. Step 2: Convert to fraction form
    452,820.81/624,896.09 = 248,875.20/x
  3. Step 3: Cross multiply
    452,820.81x = 624,896.09 × 248,875.20
  4. Step 4: Simplify right side
    452,820.81x = 155,521,138,133.59
  5. Step 5: Solve for x
    x = 155,521,138,133.59/452,820.81
  6. Step 6: Final answer
    x = 343,449.63

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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.