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Finding the Fourth Proportional to 315,283.48, 473,112.08 and 295,334.86

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Solution

The fourth proportional to 315,283.48, 473,112.08 and 295,334.86 is: 443,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,283.48 : 473,112.08 = 295,334.86 : x
  2. Step 2: Convert to fraction form
    315,283.48/473,112.08 = 295,334.86/x
  3. Step 3: Cross multiply
    315,283.48x = 473,112.08 × 295,334.86
  4. Step 4: Simplify right side
    315,283.48x = 139,726,489,911.11
  5. Step 5: Solve for x
    x = 139,726,489,911.11/315,283.48
  6. Step 6: Final answer
    x = 443,177.33

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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.