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Finding the Fourth Proportional to 438,218, 604,740.89 and 237,014

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Solution

The fourth proportional to 438,218, 604,740.89 and 237,014 is: 327,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,218 : 604,740.89 = 237,014 : x
  2. Step 2: Convert to fraction form
    438,218/604,740.89 = 237,014/x
  3. Step 3: Cross multiply
    438,218x = 604,740.89 × 237,014
  4. Step 4: Simplify right side
    438,218x = 143,332,057,302.46
  5. Step 5: Solve for x
    x = 143,332,057,302.46/438,218
  6. Step 6: Final answer
    x = 327,079.35

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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.