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Finding the Fourth Proportional to 341,632.40, 512,448.60 and 145,024.40

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Solution

The fourth proportional to 341,632.40, 512,448.60 and 145,024.40 is: 217,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,632.40 : 512,448.60 = 145,024.40 : x
  2. Step 2: Convert to fraction form
    341,632.40/512,448.60 = 145,024.40/x
  3. Step 3: Cross multiply
    341,632.40x = 512,448.60 × 145,024.40
  4. Step 4: Simplify right side
    341,632.40x = 74,317,550,745.84
  5. Step 5: Solve for x
    x = 74,317,550,745.84/341,632.40
  6. Step 6: Final answer
    x = 217,536.60

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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.