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Finding the Fourth Proportional to 493,709.04, 681,314.54 and 267,354.54

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Solution

The fourth proportional to 493,709.04, 681,314.54 and 267,354.54 is: 368,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,709.04 : 681,314.54 = 267,354.54 : x
  2. Step 2: Convert to fraction form
    493,709.04/681,314.54 = 267,354.54/x
  3. Step 3: Cross multiply
    493,709.04x = 681,314.54 × 267,354.54
  4. Step 4: Simplify right side
    493,709.04x = 182,152,535,437.01
  5. Step 5: Solve for x
    x = 182,152,535,437.01/493,709.04
  6. Step 6: Final answer
    x = 368,947.13

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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.