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Finding the Fourth Proportional to 341,630.40, 512,494.20 and 104,937.60

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Solution

The fourth proportional to 341,630.40, 512,494.20 and 104,937.60 is: 157,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,630.40 : 512,494.20 = 104,937.60 : x
  2. Step 2: Convert to fraction form
    341,630.40/512,494.20 = 104,937.60/x
  3. Step 3: Cross multiply
    341,630.40x = 512,494.20 × 104,937.60
  4. Step 4: Simplify right side
    341,630.40x = 53,779,911,361.92
  5. Step 5: Solve for x
    x = 53,779,911,361.92/341,630.40
  6. Step 6: Final answer
    x = 157,421.33

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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.