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Finding the Fourth Proportional to 353,283.84, 530,101.03 and 140,047.24

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Solution

The fourth proportional to 353,283.84, 530,101.03 and 140,047.24 is: 210,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,283.84 : 530,101.03 = 140,047.24 : x
  2. Step 2: Convert to fraction form
    353,283.84/530,101.03 = 140,047.24/x
  3. Step 3: Cross multiply
    353,283.84x = 530,101.03 × 140,047.24
  4. Step 4: Simplify right side
    353,283.84x = 74,239,186,172.66
  5. Step 5: Solve for x
    x = 74,239,186,172.66/353,283.84
  6. Step 6: Final answer
    x = 210,140.34

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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.