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Finding the Fourth Proportional to 480,007.16, 662,405.64 and 265,162.16

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Solution

The fourth proportional to 480,007.16, 662,405.64 and 265,162.16 is: 365,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,007.16 : 662,405.64 = 265,162.16 : x
  2. Step 2: Convert to fraction form
    480,007.16/662,405.64 = 265,162.16/x
  3. Step 3: Cross multiply
    480,007.16x = 662,405.64 × 265,162.16
  4. Step 4: Simplify right side
    480,007.16x = 175,644,910,298.58
  5. Step 5: Solve for x
    x = 175,644,910,298.58/480,007.16
  6. Step 6: Final answer
    x = 365,921.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.