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Finding the Fourth Proportional to 365,491.62, 504,381.51 and 202,145.40

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Solution

The fourth proportional to 365,491.62, 504,381.51 and 202,145.40 is: 278,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,491.62 : 504,381.51 = 202,145.40 : x
  2. Step 2: Convert to fraction form
    365,491.62/504,381.51 = 202,145.40/x
  3. Step 3: Cross multiply
    365,491.62x = 504,381.51 × 202,145.40
  4. Step 4: Simplify right side
    365,491.62x = 101,958,402,091.55
  5. Step 5: Solve for x
    x = 101,958,402,091.55/365,491.62
  6. Step 6: Final answer
    x = 278,962.35

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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.