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Finding the Fourth Proportional to 500,684.07, 750,936.35 and 140,768.60

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Solution

The fourth proportional to 500,684.07, 750,936.35 and 140,768.60 is: 211,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,684.07 : 750,936.35 = 140,768.60 : x
  2. Step 2: Convert to fraction form
    500,684.07/750,936.35 = 140,768.60/x
  3. Step 3: Cross multiply
    500,684.07x = 750,936.35 × 140,768.60
  4. Step 4: Simplify right side
    500,684.07x = 105,708,258,678.61
  5. Step 5: Solve for x
    x = 105,708,258,678.61/500,684.07
  6. Step 6: Final answer
    x = 211,127.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.