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Finding the Fourth Proportional to 504,097.40, 755,562.90 and 204,429.80

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Solution

The fourth proportional to 504,097.40, 755,562.90 and 204,429.80 is: 306,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,097.40 : 755,562.90 = 204,429.80 : x
  2. Step 2: Convert to fraction form
    504,097.40/755,562.90 = 204,429.80/x
  3. Step 3: Cross multiply
    504,097.40x = 755,562.90 × 204,429.80
  4. Step 4: Simplify right side
    504,097.40x = 154,459,572,534.42
  5. Step 5: Solve for x
    x = 154,459,572,534.42/504,097.40
  6. Step 6: Final answer
    x = 306,408.19

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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.