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Finding the Fourth Proportional to 525,408.59, 788,223.60 and 170,394.95

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Solution

The fourth proportional to 525,408.59, 788,223.60 and 170,394.95 is: 255,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,408.59 : 788,223.60 = 170,394.95 : x
  2. Step 2: Convert to fraction form
    525,408.59/788,223.60 = 170,394.95/x
  3. Step 3: Cross multiply
    525,408.59x = 788,223.60 × 170,394.95
  4. Step 4: Simplify right side
    525,408.59x = 134,309,316,969.70
  5. Step 5: Solve for x
    x = 134,309,316,969.70/525,408.59
  6. Step 6: Final answer
    x = 255,628.33

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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.