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Finding the Fourth Proportional to 617,164,362.02, 925,836,888.02 and 289,673,140.52

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Solution

The fourth proportional to 617,164,362.02, 925,836,888.02 and 289,673,140.52 is: 434,552,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,164,362.02 : 925,836,888.02 = 289,673,140.52 : x
  2. Step 2: Convert to fraction form
    617,164,362.02/925,836,888.02 = 289,673,140.52/x
  3. Step 3: Cross multiply
    617,164,362.02x = 925,836,888.02 × 289,673,140.52
  4. Step 4: Simplify right side
    617,164,362.02x = 268,190,078,962,016,928
  5. Step 5: Solve for x
    x = 268,190,078,962,016,928/617,164,362.02
  6. Step 6: Final answer
    x = 434,552,115.23

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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.