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Finding the Fourth Proportional to 374,736.48, 517,123.36 and 213,643.42

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Solution

The fourth proportional to 374,736.48, 517,123.36 and 213,643.42 is: 294,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,736.48 : 517,123.36 = 213,643.42 : x
  2. Step 2: Convert to fraction form
    374,736.48/517,123.36 = 213,643.42/x
  3. Step 3: Cross multiply
    374,736.48x = 517,123.36 × 213,643.42
  4. Step 4: Simplify right side
    374,736.48x = 110,480,003,192.29
  5. Step 5: Solve for x
    x = 110,480,003,192.29/374,736.48
  6. Step 6: Final answer
    x = 294,820.52

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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.