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Finding the Fourth Proportional to 341,387, 511,943.58 and 141,571.64

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Solution

The fourth proportional to 341,387, 511,943.58 and 141,571.64 is: 212,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,387 : 511,943.58 = 141,571.64 : x
  2. Step 2: Convert to fraction form
    341,387/511,943.58 = 141,571.64/x
  3. Step 3: Cross multiply
    341,387x = 511,943.58 × 141,571.64
  4. Step 4: Simplify right side
    341,387x = 72,476,692,208.07
  5. Step 5: Solve for x
    x = 72,476,692,208.07/341,387
  6. Step 6: Final answer
    x = 212,300.68

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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.