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Finding the Fourth Proportional to 570,571.61, 854,498.97 and 330,178.74

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Solution

The fourth proportional to 570,571.61, 854,498.97 and 330,178.74 is: 494,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,571.61 : 854,498.97 = 330,178.74 : x
  2. Step 2: Convert to fraction form
    570,571.61/854,498.97 = 330,178.74/x
  3. Step 3: Cross multiply
    570,571.61x = 854,498.97 × 330,178.74
  4. Step 4: Simplify right side
    570,571.61x = 282,137,393,245.90
  5. Step 5: Solve for x
    x = 282,137,393,245.90/570,571.61
  6. Step 6: Final answer
    x = 494,482.01

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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.