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Finding the Fourth Proportional to 535,246.40, 802,168.80 and 269,307.20

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Solution

The fourth proportional to 535,246.40, 802,168.80 and 269,307.20 is: 403,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,246.40 : 802,168.80 = 269,307.20 : x
  2. Step 2: Convert to fraction form
    535,246.40/802,168.80 = 269,307.20/x
  3. Step 3: Cross multiply
    535,246.40x = 802,168.80 × 269,307.20
  4. Step 4: Simplify right side
    535,246.40x = 216,029,833,455.36
  5. Step 5: Solve for x
    x = 216,029,833,455.36/535,246.40
  6. Step 6: Final answer
    x = 403,608.20

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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.