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Finding the Fourth Proportional to 354,053.04, 530,883.72 and 140,604.72

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Solution

The fourth proportional to 354,053.04, 530,883.72 and 140,604.72 is: 210,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,053.04 : 530,883.72 = 140,604.72 : x
  2. Step 2: Convert to fraction form
    354,053.04/530,883.72 = 140,604.72/x
  3. Step 3: Cross multiply
    354,053.04x = 530,883.72 × 140,604.72
  4. Step 4: Simplify right side
    354,053.04x = 74,644,756,803.16
  5. Step 5: Solve for x
    x = 74,644,756,803.16/354,053.04
  6. Step 6: Final answer
    x = 210,829.31

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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.