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Finding the Fourth Proportional to 297,447.48, 411,284.79 and 292,640.13

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Solution

The fourth proportional to 297,447.48, 411,284.79 and 292,640.13 is: 404,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,447.48 : 411,284.79 = 292,640.13 : x
  2. Step 2: Convert to fraction form
    297,447.48/411,284.79 = 292,640.13/x
  3. Step 3: Cross multiply
    297,447.48x = 411,284.79 × 292,640.13
  4. Step 4: Simplify right side
    297,447.48x = 120,358,434,412.62
  5. Step 5: Solve for x
    x = 120,358,434,412.62/297,447.48
  6. Step 6: Final answer
    x = 404,637.60

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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.