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Finding the Fourth Proportional to 532,445.34, 734,804.50 and 290,750.46

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Solution

The fourth proportional to 532,445.34, 734,804.50 and 290,750.46 is: 401,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,445.34 : 734,804.50 = 290,750.46 : x
  2. Step 2: Convert to fraction form
    532,445.34/734,804.50 = 290,750.46/x
  3. Step 3: Cross multiply
    532,445.34x = 734,804.50 × 290,750.46
  4. Step 4: Simplify right side
    532,445.34x = 213,644,746,385.07
  5. Step 5: Solve for x
    x = 213,644,746,385.07/532,445.34
  6. Step 6: Final answer
    x = 401,251.98

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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.