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Finding the Fourth Proportional to 535,095.80, 802,643.70 and 535,095.80

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Solution

The fourth proportional to 535,095.80, 802,643.70 and 535,095.80 is: 802,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,095.80 : 802,643.70 = 535,095.80 : x
  2. Step 2: Convert to fraction form
    535,095.80/802,643.70 = 535,095.80/x
  3. Step 3: Cross multiply
    535,095.80x = 802,643.70 × 535,095.80
  4. Step 4: Simplify right side
    535,095.80x = 429,491,272,766.46
  5. Step 5: Solve for x
    x = 429,491,272,766.46/535,095.80
  6. Step 6: Final answer
    x = 802,643.70

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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.