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Finding the Fourth Proportional to 328,738.10, 453,672.24 and 185,498.24

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Solution

The fourth proportional to 328,738.10, 453,672.24 and 185,498.24 is: 255,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,738.10 : 453,672.24 = 185,498.24 : x
  2. Step 2: Convert to fraction form
    328,738.10/453,672.24 = 185,498.24/x
  3. Step 3: Cross multiply
    328,738.10x = 453,672.24 × 185,498.24
  4. Step 4: Simplify right side
    328,738.10x = 84,155,402,056.86
  5. Step 5: Solve for x
    x = 84,155,402,056.86/328,738.10
  6. Step 6: Final answer
    x = 255,995.28

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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.