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Finding the Fourth Proportional to 672,078.04, 927,464.90 and 366,153.50

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Solution

The fourth proportional to 672,078.04, 927,464.90 and 366,153.50 is: 505,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,078.04 : 927,464.90 = 366,153.50 : x
  2. Step 2: Convert to fraction form
    672,078.04/927,464.90 = 366,153.50/x
  3. Step 3: Cross multiply
    672,078.04x = 927,464.90 × 366,153.50
  4. Step 4: Simplify right side
    672,078.04x = 339,594,519,262.15
  5. Step 5: Solve for x
    x = 339,594,519,262.15/672,078.04
  6. Step 6: Final answer
    x = 505,290.31

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1.5x scale

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.