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Finding the Fourth Proportional to 342,368.40, 513,941.40 and 184,515.60

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Solution

The fourth proportional to 342,368.40, 513,941.40 and 184,515.60 is: 276,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,368.40 : 513,941.40 = 184,515.60 : x
  2. Step 2: Convert to fraction form
    342,368.40/513,941.40 = 184,515.60/x
  3. Step 3: Cross multiply
    342,368.40x = 513,941.40 × 184,515.60
  4. Step 4: Simplify right side
    342,368.40x = 94,830,205,785.84
  5. Step 5: Solve for x
    x = 94,830,205,785.84/342,368.40
  6. Step 6: Final answer
    x = 276,982.94

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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.