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Finding the Fourth Proportional to 297,763.80, 446,549.72 and 98,036.63

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Solution

The fourth proportional to 297,763.80, 446,549.72 and 98,036.63 is: 147,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,763.80 : 446,549.72 = 98,036.63 : x
  2. Step 2: Convert to fraction form
    297,763.80/446,549.72 = 98,036.63/x
  3. Step 3: Cross multiply
    297,763.80x = 446,549.72 × 98,036.63
  4. Step 4: Simplify right side
    297,763.80x = 43,778,230,302.43
  5. Step 5: Solve for x
    x = 43,778,230,302.43/297,763.80
  6. Step 6: Final answer
    x = 147,023.35

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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.