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Finding the Fourth Proportional to 504,656.40, 756,855.32 and 149,587.38

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Solution

The fourth proportional to 504,656.40, 756,855.32 and 149,587.38 is: 224,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,656.40 : 756,855.32 = 149,587.38 : x
  2. Step 2: Convert to fraction form
    504,656.40/756,855.32 = 149,587.38/x
  3. Step 3: Cross multiply
    504,656.40x = 756,855.32 × 149,587.38
  4. Step 4: Simplify right side
    504,656.40x = 113,216,006,159.30
  5. Step 5: Solve for x
    x = 113,216,006,159.30/504,656.40
  6. Step 6: Final answer
    x = 224,342.75

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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.