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Finding the Fourth Proportional to 462,661.20, 695,374.20 and 401,835.60

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Solution

The fourth proportional to 462,661.20, 695,374.20 and 401,835.60 is: 603,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,661.20 : 695,374.20 = 401,835.60 : x
  2. Step 2: Convert to fraction form
    462,661.20/695,374.20 = 401,835.60/x
  3. Step 3: Cross multiply
    462,661.20x = 695,374.20 × 401,835.60
  4. Step 4: Simplify right side
    462,661.20x = 279,426,108,881.52
  5. Step 5: Solve for x
    x = 279,426,108,881.52/462,661.20
  6. Step 6: Final answer
    x = 603,954.06

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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.