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Finding the Fourth Proportional to 535,176, 802,817.76 and 141,192

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Solution

The fourth proportional to 535,176, 802,817.76 and 141,192 is: 211,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,176 : 802,817.76 = 141,192 : x
  2. Step 2: Convert to fraction form
    535,176/802,817.76 = 141,192/x
  3. Step 3: Cross multiply
    535,176x = 802,817.76 × 141,192
  4. Step 4: Simplify right side
    535,176x = 113,351,445,169.92
  5. Step 5: Solve for x
    x = 113,351,445,169.92/535,176
  6. Step 6: Final answer
    x = 211,802.18

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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.