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Finding the Fourth Proportional to 431,910.07, 595,714.57 and 317,152.69

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Solution

The fourth proportional to 431,910.07, 595,714.57 and 317,152.69 is: 437,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,910.07 : 595,714.57 = 317,152.69 : x
  2. Step 2: Convert to fraction form
    431,910.07/595,714.57 = 317,152.69/x
  3. Step 3: Cross multiply
    431,910.07x = 595,714.57 × 317,152.69
  4. Step 4: Simplify right side
    431,910.07x = 188,932,478,347.69
  5. Step 5: Solve for x
    x = 188,932,478,347.69/431,910.07
  6. Step 6: Final answer
    x = 437,434.76

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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.