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Finding the Fourth Proportional to 525,382.85, 788,185.05 and 170,369.25

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Solution

The fourth proportional to 525,382.85, 788,185.05 and 170,369.25 is: 255,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,382.85 : 788,185.05 = 170,369.25 : x
  2. Step 2: Convert to fraction form
    525,382.85/788,185.05 = 170,369.25/x
  3. Step 3: Cross multiply
    525,382.85x = 788,185.05 × 170,369.25
  4. Step 4: Simplify right side
    525,382.85x = 134,282,495,829.71
  5. Step 5: Solve for x
    x = 134,282,495,829.71/525,382.85
  6. Step 6: Final answer
    x = 255,589.80

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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.