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Finding the Fourth Proportional to 480,057.77, 719,583.69 and 223,678.94

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Solution

The fourth proportional to 480,057.77, 719,583.69 and 223,678.94 is: 335,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,057.77 : 719,583.69 = 223,678.94 : x
  2. Step 2: Convert to fraction form
    480,057.77/719,583.69 = 223,678.94/x
  3. Step 3: Cross multiply
    480,057.77x = 719,583.69 × 223,678.94
  4. Step 4: Simplify right side
    480,057.77x = 160,955,713,422.57
  5. Step 5: Solve for x
    x = 160,955,713,422.57/480,057.77
  6. Step 6: Final answer
    x = 335,284.05

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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.