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Finding the Fourth Proportional to 211,584.20, 297,005.20 and 211,584.20

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Solution

The fourth proportional to 211,584.20, 297,005.20 and 211,584.20 is: 297,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584.20 : 297,005.20 = 211,584.20 : x
  2. Step 2: Convert to fraction form
    211,584.20/297,005.20 = 211,584.20/x
  3. Step 3: Cross multiply
    211,584.20x = 297,005.20 × 211,584.20
  4. Step 4: Simplify right side
    211,584.20x = 62,841,607,637.84
  5. Step 5: Solve for x
    x = 62,841,607,637.84/211,584.20
  6. Step 6: Final answer
    x = 297,005.20

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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.