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Finding the Fourth Proportional to 343,330.84, 515,061.87 and 106,664.64

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Solution

The fourth proportional to 343,330.84, 515,061.87 and 106,664.64 is: 160,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,330.84 : 515,061.87 = 106,664.64 : x
  2. Step 2: Convert to fraction form
    343,330.84/515,061.87 = 106,664.64/x
  3. Step 3: Cross multiply
    343,330.84x = 515,061.87 × 106,664.64
  4. Step 4: Simplify right side
    343,330.84x = 54,938,888,941.28
  5. Step 5: Solve for x
    x = 54,938,888,941.28/343,330.84
  6. Step 6: Final answer
    x = 160,017.34

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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.