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Finding the Fourth Proportional to 201,880.40, 302,820.60 and 197,733.20

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Solution

The fourth proportional to 201,880.40, 302,820.60 and 197,733.20 is: 296,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,880.40 : 302,820.60 = 197,733.20 : x
  2. Step 2: Convert to fraction form
    201,880.40/302,820.60 = 197,733.20/x
  3. Step 3: Cross multiply
    201,880.40x = 302,820.60 × 197,733.20
  4. Step 4: Simplify right side
    201,880.40x = 59,877,686,263.92
  5. Step 5: Solve for x
    x = 59,877,686,263.92/201,880.40
  6. Step 6: Final answer
    x = 296,599.80

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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.