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Finding the Fourth Proportional to 341,012.40, 511,518.60 and 104,355.60

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Solution

The fourth proportional to 341,012.40, 511,518.60 and 104,355.60 is: 156,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,012.40 : 511,518.60 = 104,355.60 : x
  2. Step 2: Convert to fraction form
    341,012.40/511,518.60 = 104,355.60/x
  3. Step 3: Cross multiply
    341,012.40x = 511,518.60 × 104,355.60
  4. Step 4: Simplify right side
    341,012.40x = 53,379,830,414.16
  5. Step 5: Solve for x
    x = 53,379,830,414.16/341,012.40
  6. Step 6: Final answer
    x = 156,533.40

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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.