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Finding the Fourth Proportional to 648,348.59, 972,648.95 and 248,960.00

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Solution

The fourth proportional to 648,348.59, 972,648.95 and 248,960.00 is: 373,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,348.59 : 972,648.95 = 248,960.00 : x
  2. Step 2: Convert to fraction form
    648,348.59/972,648.95 = 248,960.00/x
  3. Step 3: Cross multiply
    648,348.59x = 972,648.95 × 248,960.00
  4. Step 4: Simplify right side
    648,348.59x = 242,150,683,778.82
  5. Step 5: Solve for x
    x = 242,150,683,778.82/648,348.59
  6. Step 6: Final answer
    x = 373,488.41

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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.