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Finding the Fourth Proportional to 439,935,283.40, 617,631,265.60 and 439,935,283.40

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Solution

The fourth proportional to 439,935,283.40, 617,631,265.60 and 439,935,283.40 is: 617,631,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,935,283.40 : 617,631,265.60 = 439,935,283.40 : x
  2. Step 2: Convert to fraction form
    439,935,283.40/617,631,265.60 = 439,935,283.40/x
  3. Step 3: Cross multiply
    439,935,283.40x = 617,631,265.60 × 439,935,283.40
  4. Step 4: Simplify right side
    439,935,283.40x = 271,717,785,868,436,672
  5. Step 5: Solve for x
    x = 271,717,785,868,436,672/439,935,283.40
  6. Step 6: Final answer
    x = 617,631,265.60

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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.