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Finding the Fourth Proportional to 534,862,934.40, 802,294,401.60 and 534,862,934.40

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Solution

The fourth proportional to 534,862,934.40, 802,294,401.60 and 534,862,934.40 is: 802,294,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,862,934.40 : 802,294,401.60 = 534,862,934.40 : x
  2. Step 2: Convert to fraction form
    534,862,934.40/802,294,401.60 = 534,862,934.40/x
  3. Step 3: Cross multiply
    534,862,934.40x = 802,294,401.60 × 534,862,934.40
  4. Step 4: Simplify right side
    534,862,934.40x = 429,117,537,892,468,032
  5. Step 5: Solve for x
    x = 429,117,537,892,468,032/534,862,934.40
  6. Step 6: Final answer
    x = 802,294,401.60

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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.