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Finding the Fourth Proportional to 341,541.60, 512,431.32 and 152,136.47

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Solution

The fourth proportional to 341,541.60, 512,431.32 and 152,136.47 is: 228,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,541.60 : 512,431.32 = 152,136.47 : x
  2. Step 2: Convert to fraction form
    341,541.60/512,431.32 = 152,136.47/x
  3. Step 3: Cross multiply
    341,541.60x = 512,431.32 × 152,136.47
  4. Step 4: Simplify right side
    341,541.60x = 77,959,489,580.08
  5. Step 5: Solve for x
    x = 77,959,489,580.08/341,541.60
  6. Step 6: Final answer
    x = 228,257.67

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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.