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Finding the Fourth Proportional to 370,205.10, 555,307.65 and 341,336.70

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Solution

The fourth proportional to 370,205.10, 555,307.65 and 341,336.70 is: 512,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,205.10 : 555,307.65 = 341,336.70 : x
  2. Step 2: Convert to fraction form
    370,205.10/555,307.65 = 341,336.70/x
  3. Step 3: Cross multiply
    370,205.10x = 555,307.65 × 341,336.70
  4. Step 4: Simplify right side
    370,205.10x = 189,546,880,735.76
  5. Step 5: Solve for x
    x = 189,546,880,735.76/370,205.10
  6. Step 6: Final answer
    x = 512,005.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.