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Finding the Fourth Proportional to 415,584.72, 573,371.88 and 254,271.60

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Solution

The fourth proportional to 415,584.72, 573,371.88 and 254,271.60 is: 350,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,584.72 : 573,371.88 = 254,271.60 : x
  2. Step 2: Convert to fraction form
    415,584.72/573,371.88 = 254,271.60/x
  3. Step 3: Cross multiply
    415,584.72x = 573,371.88 × 254,271.60
  4. Step 4: Simplify right side
    415,584.72x = 145,792,185,322.61
  5. Step 5: Solve for x
    x = 145,792,185,322.61/415,584.72
  6. Step 6: Final answer
    x = 350,812.19

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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.