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Finding the Fourth Proportional to 346,576, 519,784.08 and 109,874.56

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Solution

The fourth proportional to 346,576, 519,784.08 and 109,874.56 is: 164,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,576 : 519,784.08 = 109,874.56 : x
  2. Step 2: Convert to fraction form
    346,576/519,784.08 = 109,874.56/x
  3. Step 3: Cross multiply
    346,576x = 519,784.08 × 109,874.56
  4. Step 4: Simplify right side
    346,576x = 57,111,047,085.00
  5. Step 5: Solve for x
    x = 57,111,047,085.00/346,576
  6. Step 6: Final answer
    x = 164,786.50

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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.