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Finding the Fourth Proportional to 578,696.03, 798,810.14 and 471,079.22

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Solution

The fourth proportional to 578,696.03, 798,810.14 and 471,079.22 is: 650,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,696.03 : 798,810.14 = 471,079.22 : x
  2. Step 2: Convert to fraction form
    578,696.03/798,810.14 = 471,079.22/x
  3. Step 3: Cross multiply
    578,696.03x = 798,810.14 × 471,079.22
  4. Step 4: Simplify right side
    578,696.03x = 376,302,855,323.90
  5. Step 5: Solve for x
    x = 376,302,855,323.90/578,696.03
  6. Step 6: Final answer
    x = 650,259.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.