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Finding the Fourth Proportional to 423,093,715.80, 634,640,573.70 and 241,359,264.60

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Solution

The fourth proportional to 423,093,715.80, 634,640,573.70 and 241,359,264.60 is: 362,038,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,093,715.80 : 634,640,573.70 = 241,359,264.60 : x
  2. Step 2: Convert to fraction form
    423,093,715.80/634,640,573.70 = 241,359,264.60/x
  3. Step 3: Cross multiply
    423,093,715.80x = 634,640,573.70 × 241,359,264.60
  4. Step 4: Simplify right side
    423,093,715.80x = 153,176,382,153,554,112
  5. Step 5: Solve for x
    x = 153,176,382,153,554,112/423,093,715.80
  6. Step 6: Final answer
    x = 362,038,896.90

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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.