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Finding the Fourth Proportional to 438,164.34, 604,668.60 and 236,960.34

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Solution

The fourth proportional to 438,164.34, 604,668.60 and 236,960.34 is: 327,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,164.34 : 604,668.60 = 236,960.34 : x
  2. Step 2: Convert to fraction form
    438,164.34/604,668.60 = 236,960.34/x
  3. Step 3: Cross multiply
    438,164.34x = 604,668.60 × 236,960.34
  4. Step 4: Simplify right side
    438,164.34x = 143,282,475,442.27
  5. Step 5: Solve for x
    x = 143,282,475,442.27/438,164.34
  6. Step 6: Final answer
    x = 327,006.25

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1.5x scale

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.