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Finding the Fourth Proportional to 558,895.36, 771,156 and 332,496.64

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Solution

The fourth proportional to 558,895.36, 771,156 and 332,496.64 is: 458,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,895.36 : 771,156 = 332,496.64 : x
  2. Step 2: Convert to fraction form
    558,895.36/771,156 = 332,496.64/x
  3. Step 3: Cross multiply
    558,895.36x = 771,156 × 332,496.64
  4. Step 4: Simplify right side
    558,895.36x = 256,406,778,915.84
  5. Step 5: Solve for x
    x = 256,406,778,915.84/558,895.36
  6. Step 6: Final answer
    x = 458,774.21

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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.