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Finding the Fourth Proportional to 604,493.60, 905,962.80 and 367,584.80

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Solution

The fourth proportional to 604,493.60, 905,962.80 and 367,584.80 is: 550,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,493.60 : 905,962.80 = 367,584.80 : x
  2. Step 2: Convert to fraction form
    604,493.60/905,962.80 = 367,584.80/x
  3. Step 3: Cross multiply
    604,493.60x = 905,962.80 × 367,584.80
  4. Step 4: Simplify right side
    604,493.60x = 333,018,154,645.44
  5. Step 5: Solve for x
    x = 333,018,154,645.44/604,493.60
  6. Step 6: Final answer
    x = 550,904.35

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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.