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Finding the Fourth Proportional to 520,033, 717,645.54 and 281,569

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Solution

The fourth proportional to 520,033, 717,645.54 and 281,569 is: 388,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,033 : 717,645.54 = 281,569 : x
  2. Step 2: Convert to fraction form
    520,033/717,645.54 = 281,569/x
  3. Step 3: Cross multiply
    520,033x = 717,645.54 × 281,569
  4. Step 4: Simplify right side
    520,033x = 202,066,737,052.26
  5. Step 5: Solve for x
    x = 202,066,737,052.26/520,033
  6. Step 6: Final answer
    x = 388,565.22

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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.