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Finding the Fourth Proportional to 343,464.57, 473,433.45 and 270,748.89

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Solution

The fourth proportional to 343,464.57, 473,433.45 and 270,748.89 is: 373,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,464.57 : 473,433.45 = 270,748.89 : x
  2. Step 2: Convert to fraction form
    343,464.57/473,433.45 = 270,748.89/x
  3. Step 3: Cross multiply
    343,464.57x = 473,433.45 × 270,748.89
  4. Step 4: Simplify right side
    343,464.57x = 128,181,581,076.37
  5. Step 5: Solve for x
    x = 128,181,581,076.37/343,464.57
  6. Step 6: Final answer
    x = 373,201.76

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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.