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Finding the Fourth Proportional to 302,650.88, 453,362.72 and 140,316.88

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Solution

The fourth proportional to 302,650.88, 453,362.72 and 140,316.88 is: 210,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,650.88 : 453,362.72 = 140,316.88 : x
  2. Step 2: Convert to fraction form
    302,650.88/453,362.72 = 140,316.88/x
  3. Step 3: Cross multiply
    302,650.88x = 453,362.72 × 140,316.88
  4. Step 4: Simplify right side
    302,650.88x = 63,614,442,378.71
  5. Step 5: Solve for x
    x = 63,614,442,378.71/302,650.88
  6. Step 6: Final answer
    x = 210,190.84

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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.