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Finding the Fourth Proportional to 614,598.72, 921,291.84 and 294,380.80

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Solution

The fourth proportional to 614,598.72, 921,291.84 and 294,380.80 is: 441,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,598.72 : 921,291.84 = 294,380.80 : x
  2. Step 2: Convert to fraction form
    614,598.72/921,291.84 = 294,380.80/x
  3. Step 3: Cross multiply
    614,598.72x = 921,291.84 × 294,380.80
  4. Step 4: Simplify right side
    614,598.72x = 271,210,628,892.67
  5. Step 5: Solve for x
    x = 271,210,628,892.67/614,598.72
  6. Step 6: Final answer
    x = 441,280.82

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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.