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Finding the Fourth Proportional to 302,447.40, 453,233.70 and 133,829.70

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Solution

The fourth proportional to 302,447.40, 453,233.70 and 133,829.70 is: 200,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,447.40 : 453,233.70 = 133,829.70 : x
  2. Step 2: Convert to fraction form
    302,447.40/453,233.70 = 133,829.70/x
  3. Step 3: Cross multiply
    302,447.40x = 453,233.70 × 133,829.70
  4. Step 4: Simplify right side
    302,447.40x = 60,656,130,100.89
  5. Step 5: Solve for x
    x = 60,656,130,100.89/302,447.40
  6. Step 6: Final answer
    x = 200,551.01

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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.