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Finding the Fourth Proportional to 1,145.58, 1,714.71 and 597

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Solution

The fourth proportional to 1,145.58, 1,714.71 and 597 is: 893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.58 : 1,714.71 = 597 : x
  2. Step 2: Convert to fraction form
    1,145.58/1,714.71 = 597/x
  3. Step 3: Cross multiply
    1,145.58x = 1,714.71 × 597
  4. Step 4: Simplify right side
    1,145.58x = 1,023,681.87
  5. Step 5: Solve for x
    x = 1,023,681.87/1,145.58
  6. Step 6: Final answer
    x = 893.59

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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.