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Finding the Fourth Proportional to 438,181.83, 605,059.65 and 277,320.69

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Solution

The fourth proportional to 438,181.83, 605,059.65 and 277,320.69 is: 382,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,181.83 : 605,059.65 = 277,320.69 : x
  2. Step 2: Convert to fraction form
    438,181.83/605,059.65 = 277,320.69/x
  3. Step 3: Cross multiply
    438,181.83x = 605,059.65 × 277,320.69
  4. Step 4: Simplify right side
    438,181.83x = 167,795,559,629.16
  5. Step 5: Solve for x
    x = 167,795,559,629.16/438,181.83
  6. Step 6: Final answer
    x = 382,935.91

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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.