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Finding the Fourth Proportional to 394,590.30, 592,128.45 and 170,058.30

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Solution

The fourth proportional to 394,590.30, 592,128.45 and 170,058.30 is: 255,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,590.30 : 592,128.45 = 170,058.30 : x
  2. Step 2: Convert to fraction form
    394,590.30/592,128.45 = 170,058.30/x
  3. Step 3: Cross multiply
    394,590.30x = 592,128.45 × 170,058.30
  4. Step 4: Simplify right side
    394,590.30x = 100,696,357,588.64
  5. Step 5: Solve for x
    x = 100,696,357,588.64/394,590.30
  6. Step 6: Final answer
    x = 255,192.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.