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Finding the Fourth Proportional to 954.05, 1,430.64 and 337.59

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Solution

The fourth proportional to 954.05, 1,430.64 and 337.59 is: 506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.05 : 1,430.64 = 337.59 : x
  2. Step 2: Convert to fraction form
    954.05/1,430.64 = 337.59/x
  3. Step 3: Cross multiply
    954.05x = 1,430.64 × 337.59
  4. Step 4: Simplify right side
    954.05x = 482,969.76
  5. Step 5: Solve for x
    x = 482,969.76/954.05
  6. Step 6: Final answer
    x = 506.23

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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.