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Finding the Fourth Proportional to 617,911.30, 925,052.55 and 460,836.10

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Solution

The fourth proportional to 617,911.30, 925,052.55 and 460,836.10 is: 689,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,911.30 : 925,052.55 = 460,836.10 : x
  2. Step 2: Convert to fraction form
    617,911.30/925,052.55 = 460,836.10/x
  3. Step 3: Cross multiply
    617,911.30x = 925,052.55 × 460,836.10
  4. Step 4: Simplify right side
    617,911.30x = 426,297,609,437.06
  5. Step 5: Solve for x
    x = 426,297,609,437.06/617,911.30
  6. Step 6: Final answer
    x = 689,900.98

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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.