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Finding the Fourth Proportional to 329,810.30, 494,715.45 and 130,064.30

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Solution

The fourth proportional to 329,810.30, 494,715.45 and 130,064.30 is: 195,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,810.30 : 494,715.45 = 130,064.30 : x
  2. Step 2: Convert to fraction form
    329,810.30/494,715.45 = 130,064.30/x
  3. Step 3: Cross multiply
    329,810.30x = 494,715.45 × 130,064.30
  4. Step 4: Simplify right side
    329,810.30x = 64,344,818,703.44
  5. Step 5: Solve for x
    x = 64,344,818,703.44/329,810.30
  6. Step 6: Final answer
    x = 195,096.45

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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.