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Finding the Fourth Proportional to 528,894.24, 729,693.81 and 338,017.74

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Solution

The fourth proportional to 528,894.24, 729,693.81 and 338,017.74 is: 466,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,894.24 : 729,693.81 = 338,017.74 : x
  2. Step 2: Convert to fraction form
    528,894.24/729,693.81 = 338,017.74/x
  3. Step 3: Cross multiply
    528,894.24x = 729,693.81 × 338,017.74
  4. Step 4: Simplify right side
    528,894.24x = 246,649,452,548.19
  5. Step 5: Solve for x
    x = 246,649,452,548.19/528,894.24
  6. Step 6: Final answer
    x = 466,349.29

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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.