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Finding the Fourth Proportional to 395,927.68, 546,237 and 260,035.24

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Solution

The fourth proportional to 395,927.68, 546,237 and 260,035.24 is: 358,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,927.68 : 546,237 = 260,035.24 : x
  2. Step 2: Convert to fraction form
    395,927.68/546,237 = 260,035.24/x
  3. Step 3: Cross multiply
    395,927.68x = 546,237 × 260,035.24
  4. Step 4: Simplify right side
    395,927.68x = 142,040,869,391.88
  5. Step 5: Solve for x
    x = 142,040,869,391.88/395,927.68
  6. Step 6: Final answer
    x = 358,754.58

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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.