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Finding the Fourth Proportional to 302,666, 453,831.24 and 140,383.04

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Solution

The fourth proportional to 302,666, 453,831.24 and 140,383.04 is: 210,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,666 : 453,831.24 = 140,383.04 : x
  2. Step 2: Convert to fraction form
    302,666/453,831.24 = 140,383.04/x
  3. Step 3: Cross multiply
    302,666x = 453,831.24 × 140,383.04
  4. Step 4: Simplify right side
    302,666x = 63,710,209,118.17
  5. Step 5: Solve for x
    x = 63,710,209,118.17/302,666
  6. Step 6: Final answer
    x = 210,496.75

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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.