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Finding the Fourth Proportional to 353,731.44, 530,263.64 and 176,070.48

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Solution

The fourth proportional to 353,731.44, 530,263.64 and 176,070.48 is: 263,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,731.44 : 530,263.64 = 176,070.48 : x
  2. Step 2: Convert to fraction form
    353,731.44/530,263.64 = 176,070.48/x
  3. Step 3: Cross multiply
    353,731.44x = 530,263.64 × 176,070.48
  4. Step 4: Simplify right side
    353,731.44x = 93,363,773,621.35
  5. Step 5: Solve for x
    x = 93,363,773,621.35/353,731.44
  6. Step 6: Final answer
    x = 263,939.71

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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.