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Finding the Fourth Proportional to 532,394.40, 798,980.40 and 374,930.40

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Solution

The fourth proportional to 532,394.40, 798,980.40 and 374,930.40 is: 562,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,394.40 : 798,980.40 = 374,930.40 : x
  2. Step 2: Convert to fraction form
    532,394.40/798,980.40 = 374,930.40/x
  3. Step 3: Cross multiply
    532,394.40x = 798,980.40 × 374,930.40
  4. Step 4: Simplify right side
    532,394.40x = 299,562,040,964.16
  5. Step 5: Solve for x
    x = 299,562,040,964.16/532,394.40
  6. Step 6: Final answer
    x = 562,669.41

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1.5x scale

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.