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Finding the Fourth Proportional to 46,472,406.40, 65,128,553.60 and 46,472,406.40

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Solution

The fourth proportional to 46,472,406.40, 65,128,553.60 and 46,472,406.40 is: 65,128,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,472,406.40 : 65,128,553.60 = 46,472,406.40 : x
  2. Step 2: Convert to fraction form
    46,472,406.40/65,128,553.60 = 46,472,406.40/x
  3. Step 3: Cross multiply
    46,472,406.40x = 65,128,553.60 × 46,472,406.40
  4. Step 4: Simplify right side
    46,472,406.40x = 3,026,680,611,143,383
  5. Step 5: Solve for x
    x = 3,026,680,611,143,383/46,472,406.40
  6. Step 6: Final answer
    x = 65,128,553.60

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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.