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Finding the Fourth Proportional to 510,163.36, 703,835.28 and 319,104.16

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Solution

The fourth proportional to 510,163.36, 703,835.28 and 319,104.16 is: 440,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,163.36 : 703,835.28 = 319,104.16 : x
  2. Step 2: Convert to fraction form
    510,163.36/703,835.28 = 319,104.16/x
  3. Step 3: Cross multiply
    510,163.36x = 703,835.28 × 319,104.16
  4. Step 4: Simplify right side
    510,163.36x = 224,596,765,802.77
  5. Step 5: Solve for x
    x = 224,596,765,802.77/510,163.36
  6. Step 6: Final answer
    x = 440,244.80

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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.