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Finding the Fourth Proportional to 604,317.90, 905,492.70 and 444,885.60

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Solution

The fourth proportional to 604,317.90, 905,492.70 and 444,885.60 is: 666,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,317.90 : 905,492.70 = 444,885.60 : x
  2. Step 2: Convert to fraction form
    604,317.90/905,492.70 = 444,885.60/x
  3. Step 3: Cross multiply
    604,317.90x = 905,492.70 × 444,885.60
  4. Step 4: Simplify right side
    604,317.90x = 402,840,663,135.12
  5. Step 5: Solve for x
    x = 402,840,663,135.12/604,317.90
  6. Step 6: Final answer
    x = 666,603.89

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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.