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Finding the Fourth Proportional to 353,055.98, 529,384.64 and 322,928.88

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Solution

The fourth proportional to 353,055.98, 529,384.64 and 322,928.88 is: 484,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,055.98 : 529,384.64 = 322,928.88 : x
  2. Step 2: Convert to fraction form
    353,055.98/529,384.64 = 322,928.88/x
  3. Step 3: Cross multiply
    353,055.98x = 529,384.64 × 322,928.88
  4. Step 4: Simplify right side
    353,055.98x = 170,953,587,269.76
  5. Step 5: Solve for x
    x = 170,953,587,269.76/353,055.98
  6. Step 6: Final answer
    x = 484,211.00

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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.