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Finding the Fourth Proportional to 445,475.98, 614,792.34 and 251,924.45

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Solution

The fourth proportional to 445,475.98, 614,792.34 and 251,924.45 is: 347,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,475.98 : 614,792.34 = 251,924.45 : x
  2. Step 2: Convert to fraction form
    445,475.98/614,792.34 = 251,924.45/x
  3. Step 3: Cross multiply
    445,475.98x = 614,792.34 × 251,924.45
  4. Step 4: Simplify right side
    445,475.98x = 154,881,222,118.71
  5. Step 5: Solve for x
    x = 154,881,222,118.71/445,475.98
  6. Step 6: Final answer
    x = 347,675.81

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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.