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Finding the Fourth Proportional to 586.32, 808.34 and 461.49

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Solution

The fourth proportional to 586.32, 808.34 and 461.49 is: 636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.32 : 808.34 = 461.49 : x
  2. Step 2: Convert to fraction form
    586.32/808.34 = 461.49/x
  3. Step 3: Cross multiply
    586.32x = 808.34 × 461.49
  4. Step 4: Simplify right side
    586.32x = 373,038.52
  5. Step 5: Solve for x
    x = 373,038.52/586.32
  6. Step 6: Final answer
    x = 636.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.