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Finding the Fourth Proportional to 963.15, 1,444.77 and 470.01

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Solution

The fourth proportional to 963.15, 1,444.77 and 470.01 is: 705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.15 : 1,444.77 = 470.01 : x
  2. Step 2: Convert to fraction form
    963.15/1,444.77 = 470.01/x
  3. Step 3: Cross multiply
    963.15x = 1,444.77 × 470.01
  4. Step 4: Simplify right side
    963.15x = 679,056.35
  5. Step 5: Solve for x
    x = 679,056.35/963.15
  6. Step 6: Final answer
    x = 705.04

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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.