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Finding the Fourth Proportional to 605,697,200.40, 908,545,800.60 and 601,870,825.20

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Solution

The fourth proportional to 605,697,200.40, 908,545,800.60 and 601,870,825.20 is: 902,806,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,697,200.40 : 908,545,800.60 = 601,870,825.20 : x
  2. Step 2: Convert to fraction form
    605,697,200.40/908,545,800.60 = 601,870,825.20/x
  3. Step 3: Cross multiply
    605,697,200.40x = 908,545,800.60 × 601,870,825.20
  4. Step 4: Simplify right side
    605,697,200.40x = 546,827,210,739,116,736
  5. Step 5: Solve for x
    x = 546,827,210,739,116,736/605,697,200.40
  6. Step 6: Final answer
    x = 902,806,237.80

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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.