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Finding the Fourth Proportional to 432,074.80, 605,526.80 and 432,074.80

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Solution

The fourth proportional to 432,074.80, 605,526.80 and 432,074.80 is: 605,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,074.80 : 605,526.80 = 432,074.80 : x
  2. Step 2: Convert to fraction form
    432,074.80/605,526.80 = 432,074.80/x
  3. Step 3: Cross multiply
    432,074.80x = 605,526.80 × 432,074.80
  4. Step 4: Simplify right side
    432,074.80x = 261,632,871,004.64
  5. Step 5: Solve for x
    x = 261,632,871,004.64/432,074.80
  6. Step 6: Final answer
    x = 605,526.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.