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Finding the Fourth Proportional to 317,283, 437,842.53 and 181,308.30

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Solution

The fourth proportional to 317,283, 437,842.53 and 181,308.30 is: 250,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,283 : 437,842.53 = 181,308.30 : x
  2. Step 2: Convert to fraction form
    317,283/437,842.53 = 181,308.30/x
  3. Step 3: Cross multiply
    317,283x = 437,842.53 × 181,308.30
  4. Step 4: Simplify right side
    317,283x = 79,384,484,782.00
  5. Step 5: Solve for x
    x = 79,384,484,782.00/317,283
  6. Step 6: Final answer
    x = 250,200.88

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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.