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Finding the Fourth Proportional to 883.86, 1,328.34 and 592.32

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Solution

The fourth proportional to 883.86, 1,328.34 and 592.32 is: 890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.86 : 1,328.34 = 592.32 : x
  2. Step 2: Convert to fraction form
    883.86/1,328.34 = 592.32/x
  3. Step 3: Cross multiply
    883.86x = 1,328.34 × 592.32
  4. Step 4: Simplify right side
    883.86x = 786,802.35
  5. Step 5: Solve for x
    x = 786,802.35/883.86
  6. Step 6: Final answer
    x = 890.19

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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.