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Finding the Fourth Proportional to 253,597.60, 380,254.16 and 173,725.84

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Solution

The fourth proportional to 253,597.60, 380,254.16 and 173,725.84 is: 260,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,597.60 : 380,254.16 = 173,725.84 : x
  2. Step 2: Convert to fraction form
    253,597.60/380,254.16 = 173,725.84/x
  3. Step 3: Cross multiply
    253,597.60x = 380,254.16 × 173,725.84
  4. Step 4: Simplify right side
    253,597.60x = 66,059,973,359.49
  5. Step 5: Solve for x
    x = 66,059,973,359.49/253,597.60
  6. Step 6: Final answer
    x = 260,491.32

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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.