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Finding the Fourth Proportional to 384,060.66, 529,855.89 and 240,570.90

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Solution

The fourth proportional to 384,060.66, 529,855.89 and 240,570.90 is: 331,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,060.66 : 529,855.89 = 240,570.90 : x
  2. Step 2: Convert to fraction form
    384,060.66/529,855.89 = 240,570.90/x
  3. Step 3: Cross multiply
    384,060.66x = 529,855.89 × 240,570.90
  4. Step 4: Simplify right side
    384,060.66x = 127,467,908,327.60
  5. Step 5: Solve for x
    x = 127,467,908,327.60/384,060.66
  6. Step 6: Final answer
    x = 331,895.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.