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Finding the Fourth Proportional to 353,412.56, 530,288.88 and 175,935.08

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Solution

The fourth proportional to 353,412.56, 530,288.88 and 175,935.08 is: 263,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,412.56 : 530,288.88 = 175,935.08 : x
  2. Step 2: Convert to fraction form
    353,412.56/530,288.88 = 175,935.08/x
  3. Step 3: Cross multiply
    353,412.56x = 530,288.88 × 175,935.08
  4. Step 4: Simplify right side
    353,412.56x = 93,296,416,525.91
  5. Step 5: Solve for x
    x = 93,296,416,525.91/353,412.56
  6. Step 6: Final answer
    x = 263,987.27

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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.