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Finding the Fourth Proportional to 630,504.96, 943,538.40 and 393,959.04

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Solution

The fourth proportional to 630,504.96, 943,538.40 and 393,959.04 is: 589,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,504.96 : 943,538.40 = 393,959.04 : x
  2. Step 2: Convert to fraction form
    630,504.96/943,538.40 = 393,959.04/x
  3. Step 3: Cross multiply
    630,504.96x = 943,538.40 × 393,959.04
  4. Step 4: Simplify right side
    630,504.96x = 371,715,482,267.14
  5. Step 5: Solve for x
    x = 371,715,482,267.14/630,504.96
  6. Step 6: Final answer
    x = 589,552.04

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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.