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Finding the Fourth Proportional to 356,191,877.70, 534,287,816.55 and 356,191,877.70

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Solution

The fourth proportional to 356,191,877.70, 534,287,816.55 and 356,191,877.70 is: 534,287,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,191,877.70 : 534,287,816.55 = 356,191,877.70 : x
  2. Step 2: Convert to fraction form
    356,191,877.70/534,287,816.55 = 356,191,877.70/x
  3. Step 3: Cross multiply
    356,191,877.70x = 534,287,816.55 × 356,191,877.70
  4. Step 4: Simplify right side
    356,191,877.70x = 190,308,980,609,177,632
  5. Step 5: Solve for x
    x = 190,308,980,609,177,632/356,191,877.70
  6. Step 6: Final answer
    x = 534,287,816.55

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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.