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Finding the Fourth Proportional to 546,074.16, 819,480.32 and 191,091.32

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Solution

The fourth proportional to 546,074.16, 819,480.32 and 191,091.32 is: 286,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,074.16 : 819,480.32 = 191,091.32 : x
  2. Step 2: Convert to fraction form
    546,074.16/819,480.32 = 191,091.32/x
  3. Step 3: Cross multiply
    546,074.16x = 819,480.32 × 191,091.32
  4. Step 4: Simplify right side
    546,074.16x = 156,595,576,062.82
  5. Step 5: Solve for x
    x = 156,595,576,062.82/546,074.16
  6. Step 6: Final answer
    x = 286,766.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.