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Finding the Fourth Proportional to 903,475, 1,355,240.58 and 334,997.56

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Solution

The fourth proportional to 903,475, 1,355,240.58 and 334,997.56 is: 502,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,475 : 1,355,240.58 = 334,997.56 : x
  2. Step 2: Convert to fraction form
    903,475/1,355,240.58 = 334,997.56/x
  3. Step 3: Cross multiply
    903,475x = 1,355,240.58 × 334,997.56
  4. Step 4: Simplify right side
    903,475x = 454,002,287,512.99
  5. Step 5: Solve for x
    x = 454,002,287,512.99/903,475
  6. Step 6: Final answer
    x = 502,506.75

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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.