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Finding the Fourth Proportional to 480,458.64, 663,032.88 and 262,668.12

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Solution

The fourth proportional to 480,458.64, 663,032.88 and 262,668.12 is: 362,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,458.64 : 663,032.88 = 262,668.12 : x
  2. Step 2: Convert to fraction form
    480,458.64/663,032.88 = 262,668.12/x
  3. Step 3: Cross multiply
    480,458.64x = 663,032.88 × 262,668.12
  4. Step 4: Simplify right side
    480,458.64x = 174,157,600,087.79
  5. Step 5: Solve for x
    x = 174,157,600,087.79/480,458.64
  6. Step 6: Final answer
    x = 362,481.98

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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.