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Finding the Fourth Proportional to 302,096.79, 453,145.14 and 143,845.47

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Solution

The fourth proportional to 302,096.79, 453,145.14 and 143,845.47 is: 215,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,096.79 : 453,145.14 = 143,845.47 : x
  2. Step 2: Convert to fraction form
    302,096.79/453,145.14 = 143,845.47/x
  3. Step 3: Cross multiply
    302,096.79x = 453,145.14 × 143,845.47
  4. Step 4: Simplify right side
    302,096.79x = 65,182,875,641.52
  5. Step 5: Solve for x
    x = 65,182,875,641.52/302,096.79
  6. Step 6: Final answer
    x = 215,768.18

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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.