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Finding the Fourth Proportional to 445,449.83, 614,712.74 and 251,854.20

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Solution

The fourth proportional to 445,449.83, 614,712.74 and 251,854.20 is: 347,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,449.83 : 614,712.74 = 251,854.20 : x
  2. Step 2: Convert to fraction form
    445,449.83/614,712.74 = 251,854.20/x
  3. Step 3: Cross multiply
    445,449.83x = 614,712.74 × 251,854.20
  4. Step 4: Simplify right side
    445,449.83x = 154,817,985,362.51
  5. Step 5: Solve for x
    x = 154,817,985,362.51/445,449.83
  6. Step 6: Final answer
    x = 347,554.26

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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.