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Finding the Fourth Proportional to 470,565.70, 705,848.55 and 133,605.70

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Solution

The fourth proportional to 470,565.70, 705,848.55 and 133,605.70 is: 200,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,565.70 : 705,848.55 = 133,605.70 : x
  2. Step 2: Convert to fraction form
    470,565.70/705,848.55 = 133,605.70/x
  3. Step 3: Cross multiply
    470,565.70x = 705,848.55 × 133,605.70
  4. Step 4: Simplify right side
    470,565.70x = 94,305,389,616.74
  5. Step 5: Solve for x
    x = 94,305,389,616.74/470,565.70
  6. Step 6: Final answer
    x = 200,408.55

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Similar ratio
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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.