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Finding the Fourth Proportional to 604,233.60, 904,017.60 and 394,281.60

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Solution

The fourth proportional to 604,233.60, 904,017.60 and 394,281.60 is: 589,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,233.60 : 904,017.60 = 394,281.60 : x
  2. Step 2: Convert to fraction form
    604,233.60/904,017.60 = 394,281.60/x
  3. Step 3: Cross multiply
    604,233.60x = 904,017.60 × 394,281.60
  4. Step 4: Simplify right side
    604,233.60x = 356,437,505,756.16
  5. Step 5: Solve for x
    x = 356,437,505,756.16/604,233.60
  6. Step 6: Final answer
    x = 589,900.17

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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.