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Finding the Fourth Proportional to 315,292.92, 473,126.32 and 295,344.28

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Solution

The fourth proportional to 315,292.92, 473,126.32 and 295,344.28 is: 443,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,292.92 : 473,126.32 = 295,344.28 : x
  2. Step 2: Convert to fraction form
    315,292.92/473,126.32 = 295,344.28/x
  3. Step 3: Cross multiply
    315,292.92x = 473,126.32 × 295,344.28
  4. Step 4: Simplify right side
    315,292.92x = 139,735,152,329.45
  5. Step 5: Solve for x
    x = 139,735,152,329.45/315,292.92
  6. Step 6: Final answer
    x = 443,191.53

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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.