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Finding the Fourth Proportional to 924.90, 1,386.63 and 596.04

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Solution

The fourth proportional to 924.90, 1,386.63 and 596.04 is: 893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.90 : 1,386.63 = 596.04 : x
  2. Step 2: Convert to fraction form
    924.90/1,386.63 = 596.04/x
  3. Step 3: Cross multiply
    924.90x = 1,386.63 × 596.04
  4. Step 4: Simplify right side
    924.90x = 826,486.95
  5. Step 5: Solve for x
    x = 826,486.95/924.90
  6. Step 6: Final answer
    x = 893.60

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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.