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Finding the Fourth Proportional to 530,674.88, 732,635.04 and 349,912.64

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Solution

The fourth proportional to 530,674.88, 732,635.04 and 349,912.64 is: 483,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,674.88 : 732,635.04 = 349,912.64 : x
  2. Step 2: Convert to fraction form
    530,674.88/732,635.04 = 349,912.64/x
  3. Step 3: Cross multiply
    530,674.88x = 732,635.04 × 349,912.64
  4. Step 4: Simplify right side
    530,674.88x = 256,358,261,002.91
  5. Step 5: Solve for x
    x = 256,358,261,002.91/530,674.88
  6. Step 6: Final answer
    x = 483,079.70

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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.