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Finding the Fourth Proportional to 703,950.88, 972,254.07 and 477,202.72

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Solution

The fourth proportional to 703,950.88, 972,254.07 and 477,202.72 is: 659,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,950.88 : 972,254.07 = 477,202.72 : x
  2. Step 2: Convert to fraction form
    703,950.88/972,254.07 = 477,202.72/x
  3. Step 3: Cross multiply
    703,950.88x = 972,254.07 × 477,202.72
  4. Step 4: Simplify right side
    703,950.88x = 463,962,286,735.07
  5. Step 5: Solve for x
    x = 463,962,286,735.07/703,950.88
  6. Step 6: Final answer
    x = 659,083.33

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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.