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Finding the Fourth Proportional to 328,796.16, 453,738.88 and 228,252.48

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Solution

The fourth proportional to 328,796.16, 453,738.88 and 228,252.48 is: 314,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,796.16 : 453,738.88 = 228,252.48 : x
  2. Step 2: Convert to fraction form
    328,796.16/453,738.88 = 228,252.48/x
  3. Step 3: Cross multiply
    328,796.16x = 453,738.88 × 228,252.48
  4. Step 4: Simplify right side
    328,796.16x = 103,567,024,632.42
  5. Step 5: Solve for x
    x = 103,567,024,632.42/328,796.16
  6. Step 6: Final answer
    x = 314,988.55

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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.