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Finding the Fourth Proportional to 351,019.84, 484,053.60 and 265,190.08

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Solution

The fourth proportional to 351,019.84, 484,053.60 and 265,190.08 is: 365,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,019.84 : 484,053.60 = 265,190.08 : x
  2. Step 2: Convert to fraction form
    351,019.84/484,053.60 = 265,190.08/x
  3. Step 3: Cross multiply
    351,019.84x = 484,053.60 × 265,190.08
  4. Step 4: Simplify right side
    351,019.84x = 128,366,212,908.29
  5. Step 5: Solve for x
    x = 128,366,212,908.29/351,019.84
  6. Step 6: Final answer
    x = 365,695.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.