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Finding the Fourth Proportional to 275,599.08, 380,368.32 and 168,231.60

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Solution

The fourth proportional to 275,599.08, 380,368.32 and 168,231.60 is: 232,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,599.08 : 380,368.32 = 168,231.60 : x
  2. Step 2: Convert to fraction form
    275,599.08/380,368.32 = 168,231.60/x
  3. Step 3: Cross multiply
    275,599.08x = 380,368.32 × 168,231.60
  4. Step 4: Simplify right side
    275,599.08x = 63,989,971,062.91
  5. Step 5: Solve for x
    x = 63,989,971,062.91/275,599.08
  6. Step 6: Final answer
    x = 232,185.00

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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.