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Finding the Fourth Proportional to 341,173.50, 511,760.25 and 119,557.50

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Solution

The fourth proportional to 341,173.50, 511,760.25 and 119,557.50 is: 179,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,173.50 : 511,760.25 = 119,557.50 : x
  2. Step 2: Convert to fraction form
    341,173.50/511,760.25 = 119,557.50/x
  3. Step 3: Cross multiply
    341,173.50x = 511,760.25 × 119,557.50
  4. Step 4: Simplify right side
    341,173.50x = 61,184,776,089.38
  5. Step 5: Solve for x
    x = 61,184,776,089.38/341,173.50
  6. Step 6: Final answer
    x = 179,336.25

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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.