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Finding the Fourth Proportional to 382,605.20, 573,907.80 and 364,234.40

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Solution

The fourth proportional to 382,605.20, 573,907.80 and 364,234.40 is: 546,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,605.20 : 573,907.80 = 364,234.40 : x
  2. Step 2: Convert to fraction form
    382,605.20/573,907.80 = 364,234.40/x
  3. Step 3: Cross multiply
    382,605.20x = 573,907.80 × 364,234.40
  4. Step 4: Simplify right side
    382,605.20x = 209,036,963,188.32
  5. Step 5: Solve for x
    x = 209,036,963,188.32/382,605.20
  6. Step 6: Final answer
    x = 546,351.60

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1.5x scale

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.