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Finding the Fourth Proportional to 416,501.80, 574,877.22 and 373,986.28

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Solution

The fourth proportional to 416,501.80, 574,877.22 and 373,986.28 is: 516,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,501.80 : 574,877.22 = 373,986.28 : x
  2. Step 2: Convert to fraction form
    416,501.80/574,877.22 = 373,986.28/x
  3. Step 3: Cross multiply
    416,501.80x = 574,877.22 × 373,986.28
  4. Step 4: Simplify right side
    416,501.80x = 214,996,192,964.54
  5. Step 5: Solve for x
    x = 214,996,192,964.54/416,501.80
  6. Step 6: Final answer
    x = 516,195.11

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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.