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Finding the Fourth Proportional to 270,459.18, 403,924.23 and 230,047.47

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Solution

The fourth proportional to 270,459.18, 403,924.23 and 230,047.47 is: 343,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,459.18 : 403,924.23 = 230,047.47 : x
  2. Step 2: Convert to fraction form
    270,459.18/403,924.23 = 230,047.47/x
  3. Step 3: Cross multiply
    270,459.18x = 403,924.23 × 230,047.47
  4. Step 4: Simplify right side
    270,459.18x = 92,921,747,183.20
  5. Step 5: Solve for x
    x = 92,921,747,183.20/270,459.18
  6. Step 6: Final answer
    x = 343,570.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.