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Finding the Fourth Proportional to 454,133.40, 679,887.90 and 441,011.40

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Solution

The fourth proportional to 454,133.40, 679,887.90 and 441,011.40 is: 660,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,133.40 : 679,887.90 = 441,011.40 : x
  2. Step 2: Convert to fraction form
    454,133.40/679,887.90 = 441,011.40/x
  3. Step 3: Cross multiply
    454,133.40x = 679,887.90 × 441,011.40
  4. Step 4: Simplify right side
    454,133.40x = 299,838,314,622.06
  5. Step 5: Solve for x
    x = 299,838,314,622.06/454,133.40
  6. Step 6: Final answer
    x = 660,242.82

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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.