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Finding the Fourth Proportional to 382,209.70, 573,314.55 and 97,899.70

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Solution

The fourth proportional to 382,209.70, 573,314.55 and 97,899.70 is: 146,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,209.70 : 573,314.55 = 97,899.70 : x
  2. Step 2: Convert to fraction form
    382,209.70/573,314.55 = 97,899.70/x
  3. Step 3: Cross multiply
    382,209.70x = 573,314.55 × 97,899.70
  4. Step 4: Simplify right side
    382,209.70x = 56,127,322,450.64
  5. Step 5: Solve for x
    x = 56,127,322,450.64/382,209.70
  6. Step 6: Final answer
    x = 146,849.55

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Double scale
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Similar ratio
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1.5x scale

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.