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Finding the Fourth Proportional to 946.01, 1,420.34 and 598.32

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Solution

The fourth proportional to 946.01, 1,420.34 and 598.32 is: 898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.01 : 1,420.34 = 598.32 : x
  2. Step 2: Convert to fraction form
    946.01/1,420.34 = 598.32/x
  3. Step 3: Cross multiply
    946.01x = 1,420.34 × 598.32
  4. Step 4: Simplify right side
    946.01x = 849,814.84
  5. Step 5: Solve for x
    x = 849,814.84/946.01
  6. Step 6: Final answer
    x = 898.31

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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.