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Finding the Fourth Proportional to 525,716.60, 788,687.22 and 193,292.60

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Solution

The fourth proportional to 525,716.60, 788,687.22 and 193,292.60 is: 289,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,716.60 : 788,687.22 = 193,292.60 : x
  2. Step 2: Convert to fraction form
    525,716.60/788,687.22 = 193,292.60/x
  3. Step 3: Cross multiply
    525,716.60x = 788,687.22 × 193,292.60
  4. Step 4: Simplify right side
    525,716.60x = 152,447,403,340.57
  5. Step 5: Solve for x
    x = 152,447,403,340.57/525,716.60
  6. Step 6: Final answer
    x = 289,980.20

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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.