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Finding the Fourth Proportional to 598,895.80, 898,999.80 and 374,509.60

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Solution

The fourth proportional to 598,895.80, 898,999.80 and 374,509.60 is: 562,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,895.80 : 898,999.80 = 374,509.60 : x
  2. Step 2: Convert to fraction form
    598,895.80/898,999.80 = 374,509.60/x
  3. Step 3: Cross multiply
    598,895.80x = 898,999.80 × 374,509.60
  4. Step 4: Simplify right side
    598,895.80x = 336,684,055,498.08
  5. Step 5: Solve for x
    x = 336,684,055,498.08/598,895.80
  6. Step 6: Final answer
    x = 562,174.68

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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.