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Finding the Fourth Proportional to 448,471,004.40, 671,431,048.20 and 448,471,004.40

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Solution

The fourth proportional to 448,471,004.40, 671,431,048.20 and 448,471,004.40 is: 671,431,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,471,004.40 : 671,431,048.20 = 448,471,004.40 : x
  2. Step 2: Convert to fraction form
    448,471,004.40/671,431,048.20 = 448,471,004.40/x
  3. Step 3: Cross multiply
    448,471,004.40x = 671,431,048.20 × 448,471,004.40
  4. Step 4: Simplify right side
    448,471,004.40x = 301,117,356,571,598,848
  5. Step 5: Solve for x
    x = 301,117,356,571,598,848/448,471,004.40
  6. Step 6: Final answer
    x = 671,431,048.20

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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.