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Finding the Fourth Proportional to 713,234.95, 984,365.04 and 441,390.40

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Solution

The fourth proportional to 713,234.95, 984,365.04 and 441,390.40 is: 609,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,234.95 : 984,365.04 = 441,390.40 : x
  2. Step 2: Convert to fraction form
    713,234.95/984,365.04 = 441,390.40/x
  3. Step 3: Cross multiply
    713,234.95x = 984,365.04 × 441,390.40
  4. Step 4: Simplify right side
    713,234.95x = 434,489,278,751.62
  5. Step 5: Solve for x
    x = 434,489,278,751.62/713,234.95
  6. Step 6: Final answer
    x = 609,181.14

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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.