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Finding the Fourth Proportional to 475,181.40, 711,459.90 and 370,205.40

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Solution

The fourth proportional to 475,181.40, 711,459.90 and 370,205.40 is: 554,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,181.40 : 711,459.90 = 370,205.40 : x
  2. Step 2: Convert to fraction form
    475,181.40/711,459.90 = 370,205.40/x
  3. Step 3: Cross multiply
    475,181.40x = 711,459.90 × 370,205.40
  4. Step 4: Simplify right side
    475,181.40x = 263,386,296,863.46
  5. Step 5: Solve for x
    x = 263,386,296,863.46/475,181.40
  6. Step 6: Final answer
    x = 554,285.79

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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.