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Finding the Fourth Proportional to 349,508.32, 481,323.24 and 314,757.16

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Solution

The fourth proportional to 349,508.32, 481,323.24 and 314,757.16 is: 433,465.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,508.32 : 481,323.24 = 314,757.16 : x
  2. Step 2: Convert to fraction form
    349,508.32/481,323.24 = 314,757.16/x
  3. Step 3: Cross multiply
    349,508.32x = 481,323.24 × 314,757.16
  4. Step 4: Simplify right side
    349,508.32x = 151,499,936,064.40
  5. Step 5: Solve for x
    x = 151,499,936,064.40/349,508.32
  6. Step 6: Final answer
    x = 433,465.89

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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.