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Finding the Fourth Proportional to 570,016.44, 786,493.08 and 340,537.32

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Solution

The fourth proportional to 570,016.44, 786,493.08 and 340,537.32 is: 469,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,016.44 : 786,493.08 = 340,537.32 : x
  2. Step 2: Convert to fraction form
    570,016.44/786,493.08 = 340,537.32/x
  3. Step 3: Cross multiply
    570,016.44x = 786,493.08 × 340,537.32
  4. Step 4: Simplify right side
    570,016.44x = 267,830,245,661.75
  5. Step 5: Solve for x
    x = 267,830,245,661.75/570,016.44
  6. Step 6: Final answer
    x = 469,864.07

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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.