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Finding the Fourth Proportional to 463,090.60, 695,348.70 and 253,138.60

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Solution

The fourth proportional to 463,090.60, 695,348.70 and 253,138.60 is: 380,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,090.60 : 695,348.70 = 253,138.60 : x
  2. Step 2: Convert to fraction form
    463,090.60/695,348.70 = 253,138.60/x
  3. Step 3: Cross multiply
    463,090.60x = 695,348.70 × 253,138.60
  4. Step 4: Simplify right side
    463,090.60x = 176,019,596,429.82
  5. Step 5: Solve for x
    x = 176,019,596,429.82/463,090.60
  6. Step 6: Final answer
    x = 380,097.54

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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.