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Finding the Fourth Proportional to 445,232.76, 614,513.94 and 409,365.96

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Solution

The fourth proportional to 445,232.76, 614,513.94 and 409,365.96 is: 565,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,232.76 : 614,513.94 = 409,365.96 : x
  2. Step 2: Convert to fraction form
    445,232.76/614,513.94 = 409,365.96/x
  3. Step 3: Cross multiply
    445,232.76x = 614,513.94 × 409,365.96
  4. Step 4: Simplify right side
    445,232.76x = 251,561,088,981.48
  5. Step 5: Solve for x
    x = 251,561,088,981.48/445,232.76
  6. Step 6: Final answer
    x = 565,010.29

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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.