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Finding the Fourth Proportional to 373,010.77, 514,724.13 and 220,055.40

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Solution

The fourth proportional to 373,010.77, 514,724.13 and 220,055.40 is: 303,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,010.77 : 514,724.13 = 220,055.40 : x
  2. Step 2: Convert to fraction form
    373,010.77/514,724.13 = 220,055.40/x
  3. Step 3: Cross multiply
    373,010.77x = 514,724.13 × 220,055.40
  4. Step 4: Simplify right side
    373,010.77x = 113,267,824,316.80
  5. Step 5: Solve for x
    x = 113,267,824,316.80/373,010.77
  6. Step 6: Final answer
    x = 303,658.32

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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.