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Finding the Fourth Proportional to 532,118.34, 734,294.70 and 302,645.34

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Solution

The fourth proportional to 532,118.34, 734,294.70 and 302,645.34 is: 417,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,118.34 : 734,294.70 = 302,645.34 : x
  2. Step 2: Convert to fraction form
    532,118.34/734,294.70 = 302,645.34/x
  3. Step 3: Cross multiply
    532,118.34x = 734,294.70 × 302,645.34
  4. Step 4: Simplify right side
    532,118.34x = 222,230,869,141.70
  5. Step 5: Solve for x
    x = 222,230,869,141.70/532,118.34
  6. Step 6: Final answer
    x = 417,634.30

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1.5x scale

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.