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Finding the Fourth Proportional to 341,699.10, 511,339.05 and 297,807.90

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Solution

The fourth proportional to 341,699.10, 511,339.05 and 297,807.90 is: 445,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,699.10 : 511,339.05 = 297,807.90 : x
  2. Step 2: Convert to fraction form
    341,699.10/511,339.05 = 297,807.90/x
  3. Step 3: Cross multiply
    341,699.10x = 511,339.05 × 297,807.90
  4. Step 4: Simplify right side
    341,699.10x = 152,280,808,668.50
  5. Step 5: Solve for x
    x = 152,280,808,668.50/341,699.10
  6. Step 6: Final answer
    x = 445,657.62

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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.