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Finding the Fourth Proportional to 452,137.94, 678,003.70 and 325,246.38

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Solution

The fourth proportional to 452,137.94, 678,003.70 and 325,246.38 is: 487,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,137.94 : 678,003.70 = 325,246.38 : x
  2. Step 2: Convert to fraction form
    452,137.94/678,003.70 = 325,246.38/x
  3. Step 3: Cross multiply
    452,137.94x = 678,003.70 × 325,246.38
  4. Step 4: Simplify right side
    452,137.94x = 220,518,249,051.61
  5. Step 5: Solve for x
    x = 220,518,249,051.61/452,137.94
  6. Step 6: Final answer
    x = 487,723.39

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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.