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Finding the Fourth Proportional to 211,580.70, 297,000.30 and 211,580.70

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Solution

The fourth proportional to 211,580.70, 297,000.30 and 211,580.70 is: 297,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,580.70 : 297,000.30 = 211,580.70 : x
  2. Step 2: Convert to fraction form
    211,580.70/297,000.30 = 211,580.70/x
  3. Step 3: Cross multiply
    211,580.70x = 297,000.30 × 211,580.70
  4. Step 4: Simplify right side
    211,580.70x = 62,839,531,374.21
  5. Step 5: Solve for x
    x = 62,839,531,374.21/211,580.70
  6. Step 6: Final answer
    x = 297,000.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.