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Finding the Fourth Proportional to 526,051.30, 788,558.55 and 259,852.90

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Solution

The fourth proportional to 526,051.30, 788,558.55 and 259,852.90 is: 389,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,051.30 : 788,558.55 = 259,852.90 : x
  2. Step 2: Convert to fraction form
    526,051.30/788,558.55 = 259,852.90/x
  3. Step 3: Cross multiply
    526,051.30x = 788,558.55 × 259,852.90
  4. Step 4: Simplify right side
    526,051.30x = 204,909,226,037.30
  5. Step 5: Solve for x
    x = 204,909,226,037.30/526,051.30
  6. Step 6: Final answer
    x = 389,523.28

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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.