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Finding the Fourth Proportional to 403,250.67, 604,881.95 and 103,724.55

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Solution

The fourth proportional to 403,250.67, 604,881.95 and 103,724.55 is: 155,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,250.67 : 604,881.95 = 103,724.55 : x
  2. Step 2: Convert to fraction form
    403,250.67/604,881.95 = 103,724.55/x
  3. Step 3: Cross multiply
    403,250.67x = 604,881.95 × 103,724.55
  4. Step 4: Simplify right side
    403,250.67x = 62,741,107,548.25
  5. Step 5: Solve for x
    x = 62,741,107,548.25/403,250.67
  6. Step 6: Final answer
    x = 155,588.35

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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.