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Finding the Fourth Proportional to 561,672,001.80, 841,374,261.90 and 561,672,001.80

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Solution

The fourth proportional to 561,672,001.80, 841,374,261.90 and 561,672,001.80 is: 841,374,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,672,001.80 : 841,374,261.90 = 561,672,001.80 : x
  2. Step 2: Convert to fraction form
    561,672,001.80/841,374,261.90 = 561,672,001.80/x
  3. Step 3: Cross multiply
    561,672,001.80x = 841,374,261.90 × 561,672,001.80
  4. Step 4: Simplify right side
    561,672,001.80x = 472,576,365,944,370,432
  5. Step 5: Solve for x
    x = 472,576,365,944,370,432/561,672,001.80
  6. Step 6: Final answer
    x = 841,374,261.90

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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.