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Finding the Fourth Proportional to 771,168.31, 1,064,061.03 and 484,522.31

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Solution

The fourth proportional to 771,168.31, 1,064,061.03 and 484,522.31 is: 668,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,168.31 : 1,064,061.03 = 484,522.31 : x
  2. Step 2: Convert to fraction form
    771,168.31/1,064,061.03 = 484,522.31/x
  3. Step 3: Cross multiply
    771,168.31x = 1,064,061.03 × 484,522.31
  4. Step 4: Simplify right side
    771,168.31x = 515,561,310,896.73
  5. Step 5: Solve for x
    x = 515,561,310,896.73/771,168.31
  6. Step 6: Final answer
    x = 668,545.77

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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.