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Finding the Fourth Proportional to 532,363.05, 734,651.37 and 302,915.36

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Solution

The fourth proportional to 532,363.05, 734,651.37 and 302,915.36 is: 418,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,363.05 : 734,651.37 = 302,915.36 : x
  2. Step 2: Convert to fraction form
    532,363.05/734,651.37 = 302,915.36/x
  3. Step 3: Cross multiply
    532,363.05x = 734,651.37 × 302,915.36
  4. Step 4: Simplify right side
    532,363.05x = 222,537,186,054.67
  5. Step 5: Solve for x
    x = 222,537,186,054.67/532,363.05
  6. Step 6: Final answer
    x = 418,017.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.