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Finding the Fourth Proportional to 450,487.34, 621,402.24 and 297,525.84

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Solution

The fourth proportional to 450,487.34, 621,402.24 and 297,525.84 is: 410,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,487.34 : 621,402.24 = 297,525.84 : x
  2. Step 2: Convert to fraction form
    450,487.34/621,402.24 = 297,525.84/x
  3. Step 3: Cross multiply
    450,487.34x = 621,402.24 × 297,525.84
  4. Step 4: Simplify right side
    450,487.34x = 184,883,223,433.88
  5. Step 5: Solve for x
    x = 184,883,223,433.88/450,487.34
  6. Step 6: Final answer
    x = 410,407.15

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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.