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Finding the Fourth Proportional to 329,242.98, 493,525.49 and 129,482.40

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Solution

The fourth proportional to 329,242.98, 493,525.49 and 129,482.40 is: 194,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,242.98 : 493,525.49 = 129,482.40 : x
  2. Step 2: Convert to fraction form
    329,242.98/493,525.49 = 129,482.40/x
  3. Step 3: Cross multiply
    329,242.98x = 493,525.49 × 129,482.40
  4. Step 4: Simplify right side
    329,242.98x = 63,902,864,258.96
  5. Step 5: Solve for x
    x = 63,902,864,258.96/329,242.98
  6. Step 6: Final answer
    x = 194,090.29

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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.