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Finding the Fourth Proportional to 302,707.40, 453,842.40 and 169,628.45

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Solution

The fourth proportional to 302,707.40, 453,842.40 and 169,628.45 is: 254,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,707.40 : 453,842.40 = 169,628.45 : x
  2. Step 2: Convert to fraction form
    302,707.40/453,842.40 = 169,628.45/x
  3. Step 3: Cross multiply
    302,707.40x = 453,842.40 × 169,628.45
  4. Step 4: Simplify right side
    302,707.40x = 76,984,582,856.28
  5. Step 5: Solve for x
    x = 76,984,582,856.28/302,707.40
  6. Step 6: Final answer
    x = 254,320.12

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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.