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Finding the Fourth Proportional to 403,596.84, 556,645.74 and 250,548.60

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Solution

The fourth proportional to 403,596.84, 556,645.74 and 250,548.60 is: 345,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596.84 : 556,645.74 = 250,548.60 : x
  2. Step 2: Convert to fraction form
    403,596.84/556,645.74 = 250,548.60/x
  3. Step 3: Cross multiply
    403,596.84x = 556,645.74 × 250,548.60
  4. Step 4: Simplify right side
    403,596.84x = 139,466,810,852.96
  5. Step 5: Solve for x
    x = 139,466,810,852.96/403,596.84
  6. Step 6: Final answer
    x = 345,559.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.