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Finding the Fourth Proportional to 411,232.60, 616,630.20 and 174,307.60

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Solution

The fourth proportional to 411,232.60, 616,630.20 and 174,307.60 is: 261,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,232.60 : 616,630.20 = 174,307.60 : x
  2. Step 2: Convert to fraction form
    411,232.60/616,630.20 = 174,307.60/x
  3. Step 3: Cross multiply
    411,232.60x = 616,630.20 × 174,307.60
  4. Step 4: Simplify right side
    411,232.60x = 107,483,330,249.52
  5. Step 5: Solve for x
    x = 107,483,330,249.52/411,232.60
  6. Step 6: Final answer
    x = 261,368.70

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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.