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Finding the Fourth Proportional to 617,129.40, 925,694.10 and 173,897.40

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Solution

The fourth proportional to 617,129.40, 925,694.10 and 173,897.40 is: 260,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,129.40 : 925,694.10 = 173,897.40 : x
  2. Step 2: Convert to fraction form
    617,129.40/925,694.10 = 173,897.40/x
  3. Step 3: Cross multiply
    617,129.40x = 925,694.10 × 173,897.40
  4. Step 4: Simplify right side
    617,129.40x = 160,975,797,185.34
  5. Step 5: Solve for x
    x = 160,975,797,185.34/617,129.40
  6. Step 6: Final answer
    x = 260,846.10

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Double scale
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Similar ratio
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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.