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Finding the Fourth Proportional to 442,695.96, 610,858.80 and 251,688.24

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Solution

The fourth proportional to 442,695.96, 610,858.80 and 251,688.24 is: 347,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,695.96 : 610,858.80 = 251,688.24 : x
  2. Step 2: Convert to fraction form
    442,695.96/610,858.80 = 251,688.24/x
  3. Step 3: Cross multiply
    442,695.96x = 610,858.80 × 251,688.24
  4. Step 4: Simplify right side
    442,695.96x = 153,745,976,260.51
  5. Step 5: Solve for x
    x = 153,745,976,260.51/442,695.96
  6. Step 6: Final answer
    x = 347,294.74

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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.