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Finding the Fourth Proportional to 374,213.20, 525,004.40 and 374,213.20

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Solution

The fourth proportional to 374,213.20, 525,004.40 and 374,213.20 is: 525,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,213.20 : 525,004.40 = 374,213.20 : x
  2. Step 2: Convert to fraction form
    374,213.20/525,004.40 = 374,213.20/x
  3. Step 3: Cross multiply
    374,213.20x = 525,004.40 × 374,213.20
  4. Step 4: Simplify right side
    374,213.20x = 196,463,576,538.08
  5. Step 5: Solve for x
    x = 196,463,576,538.08/374,213.20
  6. Step 6: Final answer
    x = 525,004.40

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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.