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Finding the Fourth Proportional to 341,632.60, 512,448.90 and 88,912.60

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Solution

The fourth proportional to 341,632.60, 512,448.90 and 88,912.60 is: 133,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,632.60 : 512,448.90 = 88,912.60 : x
  2. Step 2: Convert to fraction form
    341,632.60/512,448.90 = 88,912.60/x
  3. Step 3: Cross multiply
    341,632.60x = 512,448.90 × 88,912.60
  4. Step 4: Simplify right side
    341,632.60x = 45,563,164,066.14
  5. Step 5: Solve for x
    x = 45,563,164,066.14/341,632.60
  6. Step 6: Final answer
    x = 133,368.90

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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.