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Finding the Fourth Proportional to 903,502.01, 1,354,757.92 and 416,655.65

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Solution

The fourth proportional to 903,502.01, 1,354,757.92 and 416,655.65 is: 624,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,502.01 : 1,354,757.92 = 416,655.65 : x
  2. Step 2: Convert to fraction form
    903,502.01/1,354,757.92 = 416,655.65/x
  3. Step 3: Cross multiply
    903,502.01x = 1,354,757.92 × 416,655.65
  4. Step 4: Simplify right side
    903,502.01x = 564,467,544,095.50
  5. Step 5: Solve for x
    x = 564,467,544,095.50/903,502.01
  6. Step 6: Final answer
    x = 624,755.16

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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.