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Finding the Fourth Proportional to 476,164.50, 714,246.76 and 143,740.50

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Solution

The fourth proportional to 476,164.50, 714,246.76 and 143,740.50 is: 215,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,164.50 : 714,246.76 = 143,740.50 : x
  2. Step 2: Convert to fraction form
    476,164.50/714,246.76 = 143,740.50/x
  3. Step 3: Cross multiply
    476,164.50x = 714,246.76 × 143,740.50
  4. Step 4: Simplify right side
    476,164.50x = 102,666,186,405.78
  5. Step 5: Solve for x
    x = 102,666,186,405.78/476,164.50
  6. Step 6: Final answer
    x = 215,610.75

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