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Finding the Fourth Proportional to 327,030.40, 490,561.80 and 169,566.40

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Solution

The fourth proportional to 327,030.40, 490,561.80 and 169,566.40 is: 254,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,030.40 : 490,561.80 = 169,566.40 : x
  2. Step 2: Convert to fraction form
    327,030.40/490,561.80 = 169,566.40/x
  3. Step 3: Cross multiply
    327,030.40x = 490,561.80 × 169,566.40
  4. Step 4: Simplify right side
    327,030.40x = 83,182,798,403.52
  5. Step 5: Solve for x
    x = 83,182,798,403.52/327,030.40
  6. Step 6: Final answer
    x = 254,358.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.