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Finding the Fourth Proportional to 465,118.12, 696,459.12 and 304,689.34

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Solution

The fourth proportional to 465,118.12, 696,459.12 and 304,689.34 is: 456,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,118.12 : 696,459.12 = 304,689.34 : x
  2. Step 2: Convert to fraction form
    465,118.12/696,459.12 = 304,689.34/x
  3. Step 3: Cross multiply
    465,118.12x = 696,459.12 × 304,689.34
  4. Step 4: Simplify right side
    465,118.12x = 212,203,669,609.78
  5. Step 5: Solve for x
    x = 212,203,669,609.78/465,118.12
  6. Step 6: Final answer
    x = 456,236.08

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1.5x scale

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.