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Finding the Fourth Proportional to 211,618.78, 316,670.31 and 183,254.00

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Solution

The fourth proportional to 211,618.78, 316,670.31 and 183,254.00 is: 274,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,618.78 : 316,670.31 = 183,254.00 : x
  2. Step 2: Convert to fraction form
    211,618.78/316,670.31 = 183,254.00/x
  3. Step 3: Cross multiply
    211,618.78x = 316,670.31 × 183,254.00
  4. Step 4: Simplify right side
    211,618.78x = 58,031,099,405.39
  5. Step 5: Solve for x
    x = 58,031,099,405.39/211,618.78
  6. Step 6: Final answer
    x = 274,224.72

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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.