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Finding the Fourth Proportional to 617,056.52, 925,211.36 and 403,567.25

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Solution

The fourth proportional to 617,056.52, 925,211.36 and 403,567.25 is: 605,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,056.52 : 925,211.36 = 403,567.25 : x
  2. Step 2: Convert to fraction form
    617,056.52/925,211.36 = 403,567.25/x
  3. Step 3: Cross multiply
    617,056.52x = 925,211.36 × 403,567.25
  4. Step 4: Simplify right side
    617,056.52x = 373,385,000,606.82
  5. Step 5: Solve for x
    x = 373,385,000,606.82/617,056.52
  6. Step 6: Final answer
    x = 605,106.65

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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.