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Finding the Fourth Proportional to 330,530.04, 498,749.25 and 330,530.04

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Solution

The fourth proportional to 330,530.04, 498,749.25 and 330,530.04 is: 498,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.04 : 498,749.25 = 330,530.04 : x
  2. Step 2: Convert to fraction form
    330,530.04/498,749.25 = 330,530.04/x
  3. Step 3: Cross multiply
    330,530.04x = 498,749.25 × 330,530.04
  4. Step 4: Simplify right side
    330,530.04x = 164,851,609,552.47
  5. Step 5: Solve for x
    x = 164,851,609,552.47/330,530.04
  6. Step 6: Final answer
    x = 498,749.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.