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Finding the Fourth Proportional to 262,804.75, 362,670.60 and 143,572.75

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Solution

The fourth proportional to 262,804.75, 362,670.60 and 143,572.75 is: 198,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,804.75 : 362,670.60 = 143,572.75 : x
  2. Step 2: Convert to fraction form
    262,804.75/362,670.60 = 143,572.75/x
  3. Step 3: Cross multiply
    262,804.75x = 362,670.60 × 143,572.75
  4. Step 4: Simplify right side
    262,804.75x = 52,069,615,386.15
  5. Step 5: Solve for x
    x = 52,069,615,386.15/262,804.75
  6. Step 6: Final answer
    x = 198,130.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.