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Finding the Fourth Proportional to 463,808.27, 695,702.55 and 126,848.92

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Solution

The fourth proportional to 463,808.27, 695,702.55 and 126,848.92 is: 190,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,808.27 : 695,702.55 = 126,848.92 : x
  2. Step 2: Convert to fraction form
    463,808.27/695,702.55 = 126,848.92/x
  3. Step 3: Cross multiply
    463,808.27x = 695,702.55 × 126,848.92
  4. Step 4: Simplify right side
    463,808.27x = 88,249,119,014.32
  5. Step 5: Solve for x
    x = 88,249,119,014.32/463,808.27
  6. Step 6: Final answer
    x = 190,270.69

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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.