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Finding the Fourth Proportional to 558,942, 771,534.36 and 332,582.64

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Solution

The fourth proportional to 558,942, 771,534.36 and 332,582.64 is: 459,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,942 : 771,534.36 = 332,582.64 : x
  2. Step 2: Convert to fraction form
    558,942/771,534.36 = 332,582.64/x
  3. Step 3: Cross multiply
    558,942x = 771,534.36 × 332,582.64
  4. Step 4: Simplify right side
    558,942x = 256,598,934,299.51
  5. Step 5: Solve for x
    x = 256,598,934,299.51/558,942
  6. Step 6: Final answer
    x = 459,079.72

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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.