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Finding the Fourth Proportional to 297,810.94, 446,799.80 and 120,442.51

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Solution

The fourth proportional to 297,810.94, 446,799.80 and 120,442.51 is: 180,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,810.94 : 446,799.80 = 120,442.51 : x
  2. Step 2: Convert to fraction form
    297,810.94/446,799.80 = 120,442.51/x
  3. Step 3: Cross multiply
    297,810.94x = 446,799.80 × 120,442.51
  4. Step 4: Simplify right side
    297,810.94x = 53,813,689,379.50
  5. Step 5: Solve for x
    x = 53,813,689,379.50/297,810.94
  6. Step 6: Final answer
    x = 180,697.49

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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.