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Finding the Fourth Proportional to 329,064.77, 493,534.70 and 160,415.48

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Solution

The fourth proportional to 329,064.77, 493,534.70 and 160,415.48 is: 240,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,064.77 : 493,534.70 = 160,415.48 : x
  2. Step 2: Convert to fraction form
    329,064.77/493,534.70 = 160,415.48/x
  3. Step 3: Cross multiply
    329,064.77x = 493,534.70 × 160,415.48
  4. Step 4: Simplify right side
    329,064.77x = 79,170,605,797.16
  5. Step 5: Solve for x
    x = 79,170,605,797.16/329,064.77
  6. Step 6: Final answer
    x = 240,592.77

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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.