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Finding the Fourth Proportional to 543,022.44, 749,362.48 and 298,009.32

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Solution

The fourth proportional to 543,022.44, 749,362.48 and 298,009.32 is: 411,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,022.44 : 749,362.48 = 298,009.32 : x
  2. Step 2: Convert to fraction form
    543,022.44/749,362.48 = 298,009.32/x
  3. Step 3: Cross multiply
    543,022.44x = 749,362.48 × 298,009.32
  4. Step 4: Simplify right side
    543,022.44x = 223,317,003,098.31
  5. Step 5: Solve for x
    x = 223,317,003,098.31/543,022.44
  6. Step 6: Final answer
    x = 411,248.20

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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.