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Finding the Fourth Proportional to 449,653.16, 673,271.14 and 342,526.84

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Solution

The fourth proportional to 449,653.16, 673,271.14 and 342,526.84 is: 512,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,653.16 : 673,271.14 = 342,526.84 : x
  2. Step 2: Convert to fraction form
    449,653.16/673,271.14 = 342,526.84/x
  3. Step 3: Cross multiply
    449,653.16x = 673,271.14 × 342,526.84
  4. Step 4: Simplify right side
    449,653.16x = 230,613,436,047.40
  5. Step 5: Solve for x
    x = 230,613,436,047.40/449,653.16
  6. Step 6: Final answer
    x = 512,869.60

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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.