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Finding the Fourth Proportional to 903,476, 1,355,242.08 and 334,998.56

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Solution

The fourth proportional to 903,476, 1,355,242.08 and 334,998.56 is: 502,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,476 : 1,355,242.08 = 334,998.56 : x
  2. Step 2: Convert to fraction form
    903,476/1,355,242.08 = 334,998.56/x
  3. Step 3: Cross multiply
    903,476x = 1,355,242.08 × 334,998.56
  4. Step 4: Simplify right side
    903,476x = 454,004,145,251.41
  5. Step 5: Solve for x
    x = 454,004,145,251.41/903,476
  6. Step 6: Final answer
    x = 502,508.25

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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.