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Finding the Fourth Proportional to 727,622.93, 996,848.21 and 700,350.81

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Solution

The fourth proportional to 727,622.93, 996,848.21 and 700,350.81 is: 959,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,622.93 : 996,848.21 = 700,350.81 : x
  2. Step 2: Convert to fraction form
    727,622.93/996,848.21 = 700,350.81/x
  3. Step 3: Cross multiply
    727,622.93x = 996,848.21 × 700,350.81
  4. Step 4: Simplify right side
    727,622.93x = 698,143,447,818.80
  5. Step 5: Solve for x
    x = 698,143,447,818.80/727,622.93
  6. Step 6: Final answer
    x = 959,485.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.