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Finding the Fourth Proportional to 672,326.67, 927,810.81 and 370,520.67

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Solution

The fourth proportional to 672,326.67, 927,810.81 and 370,520.67 is: 511,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.67 : 927,810.81 = 370,520.67 : x
  2. Step 2: Convert to fraction form
    672,326.67/927,810.81 = 370,520.67/x
  3. Step 3: Cross multiply
    672,326.67x = 927,810.81 × 370,520.67
  4. Step 4: Simplify right side
    672,326.67x = 343,773,086,433.73
  5. Step 5: Solve for x
    x = 343,773,086,433.73/672,326.67
  6. Step 6: Final answer
    x = 511,318.53

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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.