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Finding the Fourth Proportional to 876.23, 1,315.00 and 597.93

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Solution

The fourth proportional to 876.23, 1,315.00 and 597.93 is: 897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876.23 : 1,315.00 = 597.93 : x
  2. Step 2: Convert to fraction form
    876.23/1,315.00 = 597.93/x
  3. Step 3: Cross multiply
    876.23x = 1,315.00 × 597.93
  4. Step 4: Simplify right side
    876.23x = 786,269.88
  5. Step 5: Solve for x
    x = 786,269.88/876.23
  6. Step 6: Final answer
    x = 897.34

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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.