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Finding the Fourth Proportional to 356,462.64, 534,783.06 and 251,486.64

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Solution

The fourth proportional to 356,462.64, 534,783.06 and 251,486.64 is: 377,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,462.64 : 534,783.06 = 251,486.64 : x
  2. Step 2: Convert to fraction form
    356,462.64/534,783.06 = 251,486.64/x
  3. Step 3: Cross multiply
    356,462.64x = 534,783.06 × 251,486.64
  4. Step 4: Simplify right side
    356,462.64x = 134,490,794,888.32
  5. Step 5: Solve for x
    x = 134,490,794,888.32/356,462.64
  6. Step 6: Final answer
    x = 377,292.82

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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.