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Finding the Fourth Proportional to 703,365.93, 970,643.66 and 381,084.75

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Solution

The fourth proportional to 703,365.93, 970,643.66 and 381,084.75 is: 525,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,365.93 : 970,643.66 = 381,084.75 : x
  2. Step 2: Convert to fraction form
    703,365.93/970,643.66 = 381,084.75/x
  3. Step 3: Cross multiply
    703,365.93x = 970,643.66 × 381,084.75
  4. Step 4: Simplify right side
    703,365.93x = 369,897,494,604.76
  5. Step 5: Solve for x
    x = 369,897,494,604.76/703,365.93
  6. Step 6: Final answer
    x = 525,896.24

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Double scale
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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.