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Finding the Fourth Proportional to 264,384.95, 395,740.80 and 169,488.32

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Solution

The fourth proportional to 264,384.95, 395,740.80 and 169,488.32 is: 253,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,384.95 : 395,740.80 = 169,488.32 : x
  2. Step 2: Convert to fraction form
    264,384.95/395,740.80 = 169,488.32/x
  3. Step 3: Cross multiply
    264,384.95x = 395,740.80 × 169,488.32
  4. Step 4: Simplify right side
    264,384.95x = 67,073,441,368.75
  5. Step 5: Solve for x
    x = 67,073,441,368.75/264,384.95
  6. Step 6: Final answer
    x = 253,696.15

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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.