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Finding the Fourth Proportional to 360,090.43, 496,503.27 and 245,436.95

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Solution

The fourth proportional to 360,090.43, 496,503.27 and 245,436.95 is: 338,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,090.43 : 496,503.27 = 245,436.95 : x
  2. Step 2: Convert to fraction form
    360,090.43/496,503.27 = 245,436.95/x
  3. Step 3: Cross multiply
    360,090.43x = 496,503.27 × 245,436.95
  4. Step 4: Simplify right side
    360,090.43x = 121,860,249,495.09
  5. Step 5: Solve for x
    x = 121,860,249,495.09/360,090.43
  6. Step 6: Final answer
    x = 338,415.69

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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.