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Finding the Fourth Proportional to 536,902.08, 740,886.72 and 295,178.40

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Solution

The fourth proportional to 536,902.08, 740,886.72 and 295,178.40 is: 407,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,902.08 : 740,886.72 = 295,178.40 : x
  2. Step 2: Convert to fraction form
    536,902.08/740,886.72 = 295,178.40/x
  3. Step 3: Cross multiply
    536,902.08x = 740,886.72 × 295,178.40
  4. Step 4: Simplify right side
    536,902.08x = 218,693,756,590.85
  5. Step 5: Solve for x
    x = 218,693,756,590.85/536,902.08
  6. Step 6: Final answer
    x = 407,325.22

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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.