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Finding the Fourth Proportional to 338,290,954.80, 472,586,970 and 338,290,954.80

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Solution

The fourth proportional to 338,290,954.80, 472,586,970 and 338,290,954.80 is: 472,586,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,290,954.80 : 472,586,970 = 338,290,954.80 : x
  2. Step 2: Convert to fraction form
    338,290,954.80/472,586,970 = 338,290,954.80/x
  3. Step 3: Cross multiply
    338,290,954.80x = 472,586,970 × 338,290,954.80
  4. Step 4: Simplify right side
    338,290,954.80x = 159,871,897,307,338,976
  5. Step 5: Solve for x
    x = 159,871,897,307,338,976/338,290,954.80
  6. Step 6: Final answer
    x = 472,586,970.00

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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.