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Finding the Fourth Proportional to 298,980.60, 448,470.90 and 295,870.20

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Solution

The fourth proportional to 298,980.60, 448,470.90 and 295,870.20 is: 443,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980.60 : 448,470.90 = 295,870.20 : x
  2. Step 2: Convert to fraction form
    298,980.60/448,470.90 = 295,870.20/x
  3. Step 3: Cross multiply
    298,980.60x = 448,470.90 × 295,870.20
  4. Step 4: Simplify right side
    298,980.60x = 132,689,174,877.18
  5. Step 5: Solve for x
    x = 132,689,174,877.18/298,980.60
  6. Step 6: Final answer
    x = 443,805.30

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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.