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Finding the Fourth Proportional to 614,868.87, 922,007.75 and 348,557.88

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Solution

The fourth proportional to 614,868.87, 922,007.75 and 348,557.88 is: 522,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,868.87 : 922,007.75 = 348,557.88 : x
  2. Step 2: Convert to fraction form
    614,868.87/922,007.75 = 348,557.88/x
  3. Step 3: Cross multiply
    614,868.87x = 922,007.75 × 348,557.88
  4. Step 4: Simplify right side
    614,868.87x = 321,373,066,683.57
  5. Step 5: Solve for x
    x = 321,373,066,683.57/614,868.87
  6. Step 6: Final answer
    x = 522,669.28

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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.