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Finding the Fourth Proportional to 238,565,553.60, 357,848,330.40 and 177,343,550.40

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Solution

The fourth proportional to 238,565,553.60, 357,848,330.40 and 177,343,550.40 is: 266,015,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,565,553.60 : 357,848,330.40 = 177,343,550.40 : x
  2. Step 2: Convert to fraction form
    238,565,553.60/357,848,330.40 = 177,343,550.40/x
  3. Step 3: Cross multiply
    238,565,553.60x = 357,848,330.40 × 177,343,550.40
  4. Step 4: Simplify right side
    238,565,553.60x = 63,462,093,417,848,248
  5. Step 5: Solve for x
    x = 63,462,093,417,848,248/238,565,553.60
  6. Step 6: Final answer
    x = 266,015,325.60

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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.