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Finding the Fourth Proportional to 360,234.88, 540,507.84 and 193,989.76

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Solution

The fourth proportional to 360,234.88, 540,507.84 and 193,989.76 is: 291,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,234.88 : 540,507.84 = 193,989.76 : x
  2. Step 2: Convert to fraction form
    360,234.88/540,507.84 = 193,989.76/x
  3. Step 3: Cross multiply
    360,234.88x = 540,507.84 × 193,989.76
  4. Step 4: Simplify right side
    360,234.88x = 104,852,986,159.72
  5. Step 5: Solve for x
    x = 104,852,986,159.72/360,234.88
  6. Step 6: Final answer
    x = 291,068.39

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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.