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Finding the Fourth Proportional to 383,542.76, 575,314.08 and 364,364.65

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Solution

The fourth proportional to 383,542.76, 575,314.08 and 364,364.65 is: 546,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,542.76 : 575,314.08 = 364,364.65 : x
  2. Step 2: Convert to fraction form
    383,542.76/575,314.08 = 364,364.65/x
  3. Step 3: Cross multiply
    383,542.76x = 575,314.08 × 364,364.65
  4. Step 4: Simplify right side
    383,542.76x = 209,624,115,907.28
  5. Step 5: Solve for x
    x = 209,624,115,907.28/383,542.76
  6. Step 6: Final answer
    x = 546,546.93

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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.