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Finding the Fourth Proportional to 468,557.37, 646,609.47 and 253,697.58

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Solution

The fourth proportional to 468,557.37, 646,609.47 and 253,697.58 is: 350,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,557.37 : 646,609.47 = 253,697.58 : x
  2. Step 2: Convert to fraction form
    468,557.37/646,609.47 = 253,697.58/x
  3. Step 3: Cross multiply
    468,557.37x = 646,609.47 × 253,697.58
  4. Step 4: Simplify right side
    468,557.37x = 164,043,257,744.08
  5. Step 5: Solve for x
    x = 164,043,257,744.08/468,557.37
  6. Step 6: Final answer
    x = 350,102.82

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1.5x scale

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.