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Finding the Fourth Proportional to 546,264,636.40, 819,396,954.60 and 483,129,445.60

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Solution

The fourth proportional to 546,264,636.40, 819,396,954.60 and 483,129,445.60 is: 724,694,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,264,636.40 : 819,396,954.60 = 483,129,445.60 : x
  2. Step 2: Convert to fraction form
    546,264,636.40/819,396,954.60 = 483,129,445.60/x
  3. Step 3: Cross multiply
    546,264,636.40x = 819,396,954.60 × 483,129,445.60
  4. Step 4: Simplify right side
    546,264,636.40x = 395,874,796,402,226,432
  5. Step 5: Solve for x
    x = 395,874,796,402,226,432/546,264,636.40
  6. Step 6: Final answer
    x = 724,694,168.40

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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.