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Finding the Fourth Proportional to 535,244.70, 802,186.65 and 219,344.70

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Solution

The fourth proportional to 535,244.70, 802,186.65 and 219,344.70 is: 328,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,244.70 : 802,186.65 = 219,344.70 : x
  2. Step 2: Convert to fraction form
    535,244.70/802,186.65 = 219,344.70/x
  3. Step 3: Cross multiply
    535,244.70x = 802,186.65 × 219,344.70
  4. Step 4: Simplify right side
    535,244.70x = 175,955,390,088.26
  5. Step 5: Solve for x
    x = 175,955,390,088.26/535,244.70
  6. Step 6: Final answer
    x = 328,738.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.