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Finding the Fourth Proportional to 600,072.40, 899,964.60 and 346,805.20

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Solution

The fourth proportional to 600,072.40, 899,964.60 and 346,805.20 is: 520,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,072.40 : 899,964.60 = 346,805.20 : x
  2. Step 2: Convert to fraction form
    600,072.40/899,964.60 = 346,805.20/x
  3. Step 3: Cross multiply
    600,072.40x = 899,964.60 × 346,805.20
  4. Step 4: Simplify right side
    600,072.40x = 312,112,403,095.92
  5. Step 5: Solve for x
    x = 312,112,403,095.92/600,072.40
  6. Step 6: Final answer
    x = 520,124.58

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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.