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Finding the Fourth Proportional to 224,675,916.90, 315,453,276.30 and 224,675,916.90

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Solution

The fourth proportional to 224,675,916.90, 315,453,276.30 and 224,675,916.90 is: 315,453,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,675,916.90 : 315,453,276.30 = 224,675,916.90 : x
  2. Step 2: Convert to fraction form
    224,675,916.90/315,453,276.30 = 224,675,916.90/x
  3. Step 3: Cross multiply
    224,675,916.90x = 315,453,276.30 × 224,675,916.90
  4. Step 4: Simplify right side
    224,675,916.90x = 70,874,754,091,811,544
  5. Step 5: Solve for x
    x = 70,874,754,091,811,544/224,675,916.90
  6. Step 6: Final answer
    x = 315,453,276.30

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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.