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Finding the Fourth Proportional to 414,788.94, 572,440.23 and 251,492.94

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Solution

The fourth proportional to 414,788.94, 572,440.23 and 251,492.94 is: 347,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,788.94 : 572,440.23 = 251,492.94 : x
  2. Step 2: Convert to fraction form
    414,788.94/572,440.23 = 251,492.94/x
  3. Step 3: Cross multiply
    414,788.94x = 572,440.23 × 251,492.94
  4. Step 4: Simplify right side
    414,788.94x = 143,964,676,416.98
  5. Step 5: Solve for x
    x = 143,964,676,416.98/414,788.94
  6. Step 6: Final answer
    x = 347,079.35

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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.