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Finding the Fourth Proportional to 374,215.20, 525,007.20 and 374,215.20

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Solution

The fourth proportional to 374,215.20, 525,007.20 and 374,215.20 is: 525,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,215.20 : 525,007.20 = 374,215.20 : x
  2. Step 2: Convert to fraction form
    374,215.20/525,007.20 = 374,215.20/x
  3. Step 3: Cross multiply
    374,215.20x = 525,007.20 × 374,215.20
  4. Step 4: Simplify right side
    374,215.20x = 196,465,674,349.44
  5. Step 5: Solve for x
    x = 196,465,674,349.44/374,215.20
  6. Step 6: Final answer
    x = 525,007.20

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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.