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Finding the Fourth Proportional to 614,722.80, 922,775.40 and 475,100.40

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Solution

The fourth proportional to 614,722.80, 922,775.40 and 475,100.40 is: 713,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,722.80 : 922,775.40 = 475,100.40 : x
  2. Step 2: Convert to fraction form
    614,722.80/922,775.40 = 475,100.40/x
  3. Step 3: Cross multiply
    614,722.80x = 922,775.40 × 475,100.40
  4. Step 4: Simplify right side
    614,722.80x = 438,410,961,650.16
  5. Step 5: Solve for x
    x = 438,410,961,650.16/614,722.80
  6. Step 6: Final answer
    x = 713,184.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.