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Finding the Fourth Proportional to 334,369, 501,582.66 and 85,051

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Solution

The fourth proportional to 334,369, 501,582.66 and 85,051 is: 127,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,369 : 501,582.66 = 85,051 : x
  2. Step 2: Convert to fraction form
    334,369/501,582.66 = 85,051/x
  3. Step 3: Cross multiply
    334,369x = 501,582.66 × 85,051
  4. Step 4: Simplify right side
    334,369x = 42,660,106,815.66
  5. Step 5: Solve for x
    x = 42,660,106,815.66/334,369
  6. Step 6: Final answer
    x = 127,583.92

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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.