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Finding the Fourth Proportional to 1,095,784.80, 1,644,265.80 and 534,819.30

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Solution

The fourth proportional to 1,095,784.80, 1,644,265.80 and 534,819.30 is: 802,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,784.80 : 1,644,265.80 = 534,819.30 : x
  2. Step 2: Convert to fraction form
    1,095,784.80/1,644,265.80 = 534,819.30/x
  3. Step 3: Cross multiply
    1,095,784.80x = 1,644,265.80 × 534,819.30
  4. Step 4: Simplify right side
    1,095,784.80x = 879,385,084,169.94
  5. Step 5: Solve for x
    x = 879,385,084,169.94/1,095,784.80
  6. Step 6: Final answer
    x = 802,516.23

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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.