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Finding the Fourth Proportional to 450,028.80, 674,848.80 and 225,302.40

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Solution

The fourth proportional to 450,028.80, 674,848.80 and 225,302.40 is: 337,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,028.80 : 674,848.80 = 225,302.40 : x
  2. Step 2: Convert to fraction form
    450,028.80/674,848.80 = 225,302.40/x
  3. Step 3: Cross multiply
    450,028.80x = 674,848.80 × 225,302.40
  4. Step 4: Simplify right side
    450,028.80x = 152,045,054,277.12
  5. Step 5: Solve for x
    x = 152,045,054,277.12/450,028.80
  6. Step 6: Final answer
    x = 337,856.28

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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.