Home / 382,528.76-528,000.86-255,204.05

Finding the Fourth Proportional to 382,528.76, 528,000.86 and 255,204.05

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Solution

The fourth proportional to 382,528.76, 528,000.86 and 255,204.05 is: 352,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,528.76 : 528,000.86 = 255,204.05 : x
  2. Step 2: Convert to fraction form
    382,528.76/528,000.86 = 255,204.05/x
  3. Step 3: Cross multiply
    382,528.76x = 528,000.86 × 255,204.05
  4. Step 4: Simplify right side
    382,528.76x = 134,747,955,873.49
  5. Step 5: Solve for x
    x = 134,747,955,873.49/382,528.76
  6. Step 6: Final answer
    x = 352,255.76

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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.