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Finding the Fourth Proportional to 302,337.40, 453,068.70 and 133,719.70

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Solution

The fourth proportional to 302,337.40, 453,068.70 and 133,719.70 is: 200,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,337.40 : 453,068.70 = 133,719.70 : x
  2. Step 2: Convert to fraction form
    302,337.40/453,068.70 = 133,719.70/x
  3. Step 3: Cross multiply
    302,337.40x = 453,068.70 × 133,719.70
  4. Step 4: Simplify right side
    302,337.40x = 60,584,210,643.39
  5. Step 5: Solve for x
    x = 60,584,210,643.39/302,337.40
  6. Step 6: Final answer
    x = 200,386.09

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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.