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Finding the Fourth Proportional to 531,444,087.60, 797,166,131.40 and 477,696,375.60

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Solution

The fourth proportional to 531,444,087.60, 797,166,131.40 and 477,696,375.60 is: 716,544,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,444,087.60 : 797,166,131.40 = 477,696,375.60 : x
  2. Step 2: Convert to fraction form
    531,444,087.60/797,166,131.40 = 477,696,375.60/x
  3. Step 3: Cross multiply
    531,444,087.60x = 797,166,131.40 × 477,696,375.60
  4. Step 4: Simplify right side
    531,444,087.60x = 380,803,371,720,853,376
  5. Step 5: Solve for x
    x = 380,803,371,720,853,376/531,444,087.60
  6. Step 6: Final answer
    x = 716,544,563.40

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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.