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Finding the Fourth Proportional to 514,144.72, 709,526.96 and 296,232.96

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Solution

The fourth proportional to 514,144.72, 709,526.96 and 296,232.96 is: 408,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,144.72 : 709,526.96 = 296,232.96 : x
  2. Step 2: Convert to fraction form
    514,144.72/709,526.96 = 296,232.96/x
  3. Step 3: Cross multiply
    514,144.72x = 709,526.96 × 296,232.96
  4. Step 4: Simplify right side
    514,144.72x = 210,185,271,560.60
  5. Step 5: Solve for x
    x = 210,185,271,560.60/514,144.72
  6. Step 6: Final answer
    x = 408,805.66

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.