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Finding the Fourth Proportional to 445,642.56, 614,612.61 and 292,563.50

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Solution

The fourth proportional to 445,642.56, 614,612.61 and 292,563.50 is: 403,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,642.56 : 614,612.61 = 292,563.50 : x
  2. Step 2: Convert to fraction form
    445,642.56/614,612.61 = 292,563.50/x
  3. Step 3: Cross multiply
    445,642.56x = 614,612.61 × 292,563.50
  4. Step 4: Simplify right side
    445,642.56x = 179,813,213,252.67
  5. Step 5: Solve for x
    x = 179,813,213,252.67/445,642.56
  6. Step 6: Final answer
    x = 403,492.01

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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.