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Finding the Fourth Proportional to 480,244.64, 719,866.32 and 180,518.72

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Solution

The fourth proportional to 480,244.64, 719,866.32 and 180,518.72 is: 270,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,244.64 : 719,866.32 = 180,518.72 : x
  2. Step 2: Convert to fraction form
    480,244.64/719,866.32 = 180,518.72/x
  3. Step 3: Cross multiply
    480,244.64x = 719,866.32 × 180,518.72
  4. Step 4: Simplify right side
    480,244.64x = 129,949,346,657.51
  5. Step 5: Solve for x
    x = 129,949,346,657.51/480,244.64
  6. Step 6: Final answer
    x = 270,589.89

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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.