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Finding the Fourth Proportional to 614,703.20, 922,054.79 and 194,011.88

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Solution

The fourth proportional to 614,703.20, 922,054.79 and 194,011.88 is: 291,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,703.20 : 922,054.79 = 194,011.88 : x
  2. Step 2: Convert to fraction form
    614,703.20/922,054.79 = 194,011.88/x
  3. Step 3: Cross multiply
    614,703.20x = 922,054.79 × 194,011.88
  4. Step 4: Simplify right side
    614,703.20x = 178,889,579,145.66
  5. Step 5: Solve for x
    x = 178,889,579,145.66/614,703.20
  6. Step 6: Final answer
    x = 291,017.81

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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.