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Finding the Fourth Proportional to 295,509.60, 443,402.82 and 145,668.06

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Solution

The fourth proportional to 295,509.60, 443,402.82 and 145,668.06 is: 218,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,509.60 : 443,402.82 = 145,668.06 : x
  2. Step 2: Convert to fraction form
    295,509.60/443,402.82 = 145,668.06/x
  3. Step 3: Cross multiply
    295,509.60x = 443,402.82 × 145,668.06
  4. Step 4: Simplify right side
    295,509.60x = 64,589,628,587.93
  5. Step 5: Solve for x
    x = 64,589,628,587.93/295,509.60
  6. Step 6: Final answer
    x = 218,570.32

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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.