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Finding the Fourth Proportional to 310,677.32, 465,808.36 and 250,779.48

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Solution

The fourth proportional to 310,677.32, 465,808.36 and 250,779.48 is: 376,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,677.32 : 465,808.36 = 250,779.48 : x
  2. Step 2: Convert to fraction form
    310,677.32/465,808.36 = 250,779.48/x
  3. Step 3: Cross multiply
    310,677.32x = 465,808.36 × 250,779.48
  4. Step 4: Simplify right side
    310,677.32x = 116,815,178,300.45
  5. Step 5: Solve for x
    x = 116,815,178,300.45/310,677.32
  6. Step 6: Final answer
    x = 376,001.63

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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.