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Finding the Fourth Proportional to 292.34, 437.95 and 260.02

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Solution

The fourth proportional to 292.34, 437.95 and 260.02 is: 389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.34 : 437.95 = 260.02 : x
  2. Step 2: Convert to fraction form
    292.34/437.95 = 260.02/x
  3. Step 3: Cross multiply
    292.34x = 437.95 × 260.02
  4. Step 4: Simplify right side
    292.34x = 113,875.76
  5. Step 5: Solve for x
    x = 113,875.76/292.34
  6. Step 6: Final answer
    x = 389.53

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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.