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Finding the Fourth Proportional to 451,671.93, 623,307.20 and 250,467.93

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Solution

The fourth proportional to 451,671.93, 623,307.20 and 250,467.93 is: 345,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,671.93 : 623,307.20 = 250,467.93 : x
  2. Step 2: Convert to fraction form
    451,671.93/623,307.20 = 250,467.93/x
  3. Step 3: Cross multiply
    451,671.93x = 623,307.20 × 250,467.93
  4. Step 4: Simplify right side
    451,671.93x = 156,118,462,885.76
  5. Step 5: Solve for x
    x = 156,118,462,885.76/451,671.93
  6. Step 6: Final answer
    x = 345,645.71

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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.