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Finding the Fourth Proportional to 425,224.40, 637,836.60 and 247,931.60

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Solution

The fourth proportional to 425,224.40, 637,836.60 and 247,931.60 is: 371,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,224.40 : 637,836.60 = 247,931.60 : x
  2. Step 2: Convert to fraction form
    425,224.40/637,836.60 = 247,931.60/x
  3. Step 3: Cross multiply
    425,224.40x = 637,836.60 × 247,931.60
  4. Step 4: Simplify right side
    425,224.40x = 158,139,848,776.56
  5. Step 5: Solve for x
    x = 158,139,848,776.56/425,224.40
  6. Step 6: Final answer
    x = 371,897.40

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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.