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Finding the Fourth Proportional to 527,968.56, 728,598.96 and 286,250.88

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Solution

The fourth proportional to 527,968.56, 728,598.96 and 286,250.88 is: 395,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,968.56 : 728,598.96 = 286,250.88 : x
  2. Step 2: Convert to fraction form
    527,968.56/728,598.96 = 286,250.88/x
  3. Step 3: Cross multiply
    527,968.56x = 728,598.96 × 286,250.88
  4. Step 4: Simplify right side
    527,968.56x = 208,562,093,467.09
  5. Step 5: Solve for x
    x = 208,562,093,467.09/527,968.56
  6. Step 6: Final answer
    x = 395,027.49

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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.