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Finding the Fourth Proportional to 224,661,948.40, 315,433,720.40 and 224,661,948.40

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Solution

The fourth proportional to 224,661,948.40, 315,433,720.40 and 224,661,948.40 is: 315,433,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,661,948.40 : 315,433,720.40 = 224,661,948.40 : x
  2. Step 2: Convert to fraction form
    224,661,948.40/315,433,720.40 = 224,661,948.40/x
  3. Step 3: Cross multiply
    224,661,948.40x = 315,433,720.40 × 224,661,948.40
  4. Step 4: Simplify right side
    224,661,948.40x = 70,865,954,216,124,824
  5. Step 5: Solve for x
    x = 70,865,954,216,124,824/224,661,948.40
  6. Step 6: Final answer
    x = 315,433,720.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.