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Finding the Fourth Proportional to 295,868.60, 443,802.90 and 201,390.20

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Solution

The fourth proportional to 295,868.60, 443,802.90 and 201,390.20 is: 302,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,868.60 : 443,802.90 = 201,390.20 : x
  2. Step 2: Convert to fraction form
    295,868.60/443,802.90 = 201,390.20/x
  3. Step 3: Cross multiply
    295,868.60x = 443,802.90 × 201,390.20
  4. Step 4: Simplify right side
    295,868.60x = 89,377,554,791.58
  5. Step 5: Solve for x
    x = 89,377,554,791.58/295,868.60
  6. Step 6: Final answer
    x = 302,085.30

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1.5x scale

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.