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Finding the Fourth Proportional to 353,555.66, 530,399.46 and 117,064.82

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Solution

The fourth proportional to 353,555.66, 530,399.46 and 117,064.82 is: 175,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,555.66 : 530,399.46 = 117,064.82 : x
  2. Step 2: Convert to fraction form
    353,555.66/530,399.46 = 117,064.82/x
  3. Step 3: Cross multiply
    353,555.66x = 530,399.46 × 117,064.82
  4. Step 4: Simplify right side
    353,555.66x = 62,091,117,313.00
  5. Step 5: Solve for x
    x = 62,091,117,313.00/353,555.66
  6. Step 6: Final answer
    x = 175,619.07

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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.