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Finding the Fourth Proportional to 473,980.25, 654,100.50 and 283,010.33

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Solution

The fourth proportional to 473,980.25, 654,100.50 and 283,010.33 is: 390,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,980.25 : 654,100.50 = 283,010.33 : x
  2. Step 2: Convert to fraction form
    473,980.25/654,100.50 = 283,010.33/x
  3. Step 3: Cross multiply
    473,980.25x = 654,100.50 × 283,010.33
  4. Step 4: Simplify right side
    473,980.25x = 185,117,195,087.66
  5. Step 5: Solve for x
    x = 185,117,195,087.66/473,980.25
  6. Step 6: Final answer
    x = 390,558.88

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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.