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Finding the Fourth Proportional to 336,646.51, 464,151.99 and 215,588.77

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Solution

The fourth proportional to 336,646.51, 464,151.99 and 215,588.77 is: 297,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,646.51 : 464,151.99 = 215,588.77 : x
  2. Step 2: Convert to fraction form
    336,646.51/464,151.99 = 215,588.77/x
  3. Step 3: Cross multiply
    336,646.51x = 464,151.99 × 215,588.77
  4. Step 4: Simplify right side
    336,646.51x = 100,065,955,539.21
  5. Step 5: Solve for x
    x = 100,065,955,539.21/336,646.51
  6. Step 6: Final answer
    x = 297,243.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.