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Finding the Fourth Proportional to 307,097.70, 460,938.15 and 188,999.70

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Solution

The fourth proportional to 307,097.70, 460,938.15 and 188,999.70 is: 283,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,097.70 : 460,938.15 = 188,999.70 : x
  2. Step 2: Convert to fraction form
    307,097.70/460,938.15 = 188,999.70/x
  3. Step 3: Cross multiply
    307,097.70x = 460,938.15 × 188,999.70
  4. Step 4: Simplify right side
    307,097.70x = 87,117,172,068.56
  5. Step 5: Solve for x
    x = 87,117,172,068.56/307,097.70
  6. Step 6: Final answer
    x = 283,679.01

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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.