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Finding the Fourth Proportional to 315,579,609.60, 473,369,414.40 and 177,830,102.40

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Solution

The fourth proportional to 315,579,609.60, 473,369,414.40 and 177,830,102.40 is: 266,745,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,579,609.60 : 473,369,414.40 = 177,830,102.40 : x
  2. Step 2: Convert to fraction form
    315,579,609.60/473,369,414.40 = 177,830,102.40/x
  3. Step 3: Cross multiply
    315,579,609.60x = 473,369,414.40 × 177,830,102.40
  4. Step 4: Simplify right side
    315,579,609.60x = 84,179,331,435,780,032
  5. Step 5: Solve for x
    x = 84,179,331,435,780,032/315,579,609.60
  6. Step 6: Final answer
    x = 266,745,153.60

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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.