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Finding the Fourth Proportional to 899,209.17, 1,349,478.06 and 425,894.54

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Solution

The fourth proportional to 899,209.17, 1,349,478.06 and 425,894.54 is: 639,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,209.17 : 1,349,478.06 = 425,894.54 : x
  2. Step 2: Convert to fraction form
    899,209.17/1,349,478.06 = 425,894.54/x
  3. Step 3: Cross multiply
    899,209.17x = 1,349,478.06 × 425,894.54
  4. Step 4: Simplify right side
    899,209.17x = 574,735,330,856.40
  5. Step 5: Solve for x
    x = 574,735,330,856.40/899,209.17
  6. Step 6: Final answer
    x = 639,156.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.