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Finding the Fourth Proportional to 525,364.57, 788,157.74 and 170,350.93

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Solution

The fourth proportional to 525,364.57, 788,157.74 and 170,350.93 is: 255,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,364.57 : 788,157.74 = 170,350.93 : x
  2. Step 2: Convert to fraction form
    525,364.57/788,157.74 = 170,350.93/x
  3. Step 3: Cross multiply
    525,364.57x = 788,157.74 × 170,350.93
  4. Step 4: Simplify right side
    525,364.57x = 134,263,403,995.70
  5. Step 5: Solve for x
    x = 134,263,403,995.70/525,364.57
  6. Step 6: Final answer
    x = 255,562.35

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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.