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Finding the Fourth Proportional to 525,381.34, 788,182.80 and 170,367.76

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Solution

The fourth proportional to 525,381.34, 788,182.80 and 170,367.76 is: 255,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,381.34 : 788,182.80 = 170,367.76 : x
  2. Step 2: Convert to fraction form
    525,381.34/788,182.80 = 170,367.76/x
  3. Step 3: Cross multiply
    525,381.34x = 788,182.80 × 170,367.76
  4. Step 4: Simplify right side
    525,381.34x = 134,280,934,977.67
  5. Step 5: Solve for x
    x = 134,280,934,977.67/525,381.34
  6. Step 6: Final answer
    x = 255,587.56

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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.