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Finding the Fourth Proportional to 528,976, 730,053.44 and 327,802.24

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Solution

The fourth proportional to 528,976, 730,053.44 and 327,802.24 is: 452,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,976 : 730,053.44 = 327,802.24 : x
  2. Step 2: Convert to fraction form
    528,976/730,053.44 = 327,802.24/x
  3. Step 3: Cross multiply
    528,976x = 730,053.44 × 327,802.24
  4. Step 4: Simplify right side
    528,976x = 239,313,152,951.71
  5. Step 5: Solve for x
    x = 239,313,152,951.71/528,976
  6. Step 6: Final answer
    x = 452,408.34

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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.