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Finding the Fourth Proportional to 341,173, 511,759.50 and 119,557

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Solution

The fourth proportional to 341,173, 511,759.50 and 119,557 is: 179,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,173 : 511,759.50 = 119,557 : x
  2. Step 2: Convert to fraction form
    341,173/511,759.50 = 119,557/x
  3. Step 3: Cross multiply
    341,173x = 511,759.50 × 119,557
  4. Step 4: Simplify right side
    341,173x = 61,184,430,541.50
  5. Step 5: Solve for x
    x = 61,184,430,541.50/341,173
  6. Step 6: Final answer
    x = 179,335.50

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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.