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Finding the Fourth Proportional to 331,842,002.80, 463,717,869.50 and 331,842,002.80

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Solution

The fourth proportional to 331,842,002.80, 463,717,869.50 and 331,842,002.80 is: 463,717,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,842,002.80 : 463,717,869.50 = 331,842,002.80 : x
  2. Step 2: Convert to fraction form
    331,842,002.80/463,717,869.50 = 331,842,002.80/x
  3. Step 3: Cross multiply
    331,842,002.80x = 463,717,869.50 × 331,842,002.80
  4. Step 4: Simplify right side
    331,842,002.80x = 153,881,066,549,029,056
  5. Step 5: Solve for x
    x = 153,881,066,549,029,056/331,842,002.80
  6. Step 6: Final answer
    x = 463,717,869.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.