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Finding the Fourth Proportional to 402,924.44, 604,408.22 and 103,407.60

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Solution

The fourth proportional to 402,924.44, 604,408.22 and 103,407.60 is: 155,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,924.44 : 604,408.22 = 103,407.60 : x
  2. Step 2: Convert to fraction form
    402,924.44/604,408.22 = 103,407.60/x
  3. Step 3: Cross multiply
    402,924.44x = 604,408.22 × 103,407.60
  4. Step 4: Simplify right side
    402,924.44x = 62,500,403,450.47
  5. Step 5: Solve for x
    x = 62,500,403,450.47/402,924.44
  6. Step 6: Final answer
    x = 155,116.93

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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.