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Finding the Fourth Proportional to 605,038,257.60, 907,557,386.40 and 591,601,329.60

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Solution

The fourth proportional to 605,038,257.60, 907,557,386.40 and 591,601,329.60 is: 887,401,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,038,257.60 : 907,557,386.40 = 591,601,329.60 : x
  2. Step 2: Convert to fraction form
    605,038,257.60/907,557,386.40 = 591,601,329.60/x
  3. Step 3: Cross multiply
    605,038,257.60x = 907,557,386.40 × 591,601,329.60
  4. Step 4: Simplify right side
    605,038,257.60x = 536,912,156,482,540,992
  5. Step 5: Solve for x
    x = 536,912,156,482,540,992/605,038,257.60
  6. Step 6: Final answer
    x = 887,401,994.40

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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.