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Finding the Fourth Proportional to 298,477.84, 411,832.74 and 250,274.74

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Solution

The fourth proportional to 298,477.84, 411,832.74 and 250,274.74 is: 345,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,477.84 : 411,832.74 = 250,274.74 : x
  2. Step 2: Convert to fraction form
    298,477.84/411,832.74 = 250,274.74/x
  3. Step 3: Cross multiply
    298,477.84x = 411,832.74 × 250,274.74
  4. Step 4: Simplify right side
    298,477.84x = 103,071,331,926.99
  5. Step 5: Solve for x
    x = 103,071,331,926.99/298,477.84
  6. Step 6: Final answer
    x = 345,323.23

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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.