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Finding the Fourth Proportional to 493,506.63, 681,038.33 and 267,152.13

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Solution

The fourth proportional to 493,506.63, 681,038.33 and 267,152.13 is: 368,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,506.63 : 681,038.33 = 267,152.13 : x
  2. Step 2: Convert to fraction form
    493,506.63/681,038.33 = 267,152.13/x
  3. Step 3: Cross multiply
    493,506.63x = 681,038.33 × 267,152.13
  4. Step 4: Simplify right side
    493,506.63x = 181,940,839,135.38
  5. Step 5: Solve for x
    x = 181,940,839,135.38/493,506.63
  6. Step 6: Final answer
    x = 368,669.49

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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.