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Finding the Fourth Proportional to 532,090.14, 734,299.88 and 290,388.27

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Solution

The fourth proportional to 532,090.14, 734,299.88 and 290,388.27 is: 400,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,090.14 : 734,299.88 = 290,388.27 : x
  2. Step 2: Convert to fraction form
    532,090.14/734,299.88 = 290,388.27/x
  3. Step 3: Cross multiply
    532,090.14x = 734,299.88 × 290,388.27
  4. Step 4: Simplify right side
    532,090.14x = 213,232,070,362.47
  5. Step 5: Solve for x
    x = 213,232,070,362.47/532,090.14
  6. Step 6: Final answer
    x = 400,744.26

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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.