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Finding the Fourth Proportional to 364,485.35, 546,284.75 and 257,900.01

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Solution

The fourth proportional to 364,485.35, 546,284.75 and 257,900.01 is: 386,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,485.35 : 546,284.75 = 257,900.01 : x
  2. Step 2: Convert to fraction form
    364,485.35/546,284.75 = 257,900.01/x
  3. Step 3: Cross multiply
    364,485.35x = 546,284.75 × 257,900.01
  4. Step 4: Simplify right side
    364,485.35x = 140,886,841,198.35
  5. Step 5: Solve for x
    x = 140,886,841,198.35/364,485.35
  6. Step 6: Final answer
    x = 386,536.37

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1.5x scale

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.