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Finding the Fourth Proportional to 341,257.53, 511,667.58 and 141,715.65

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Solution

The fourth proportional to 341,257.53, 511,667.58 and 141,715.65 is: 212,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,257.53 : 511,667.58 = 141,715.65 : x
  2. Step 2: Convert to fraction form
    341,257.53/511,667.58 = 141,715.65/x
  3. Step 3: Cross multiply
    341,257.53x = 511,667.58 × 141,715.65
  4. Step 4: Simplify right side
    341,257.53x = 72,511,303,683.63
  5. Step 5: Solve for x
    x = 72,511,303,683.63/341,257.53
  6. Step 6: Final answer
    x = 212,482.65

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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.