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Finding the Fourth Proportional to 366,630.71, 549,946.53 and 100,393.53

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Solution

The fourth proportional to 366,630.71, 549,946.53 and 100,393.53 is: 150,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,630.71 : 549,946.53 = 100,393.53 : x
  2. Step 2: Convert to fraction form
    366,630.71/549,946.53 = 100,393.53/x
  3. Step 3: Cross multiply
    366,630.71x = 549,946.53 × 100,393.53
  4. Step 4: Simplify right side
    366,630.71x = 55,211,071,395.65
  5. Step 5: Solve for x
    x = 55,211,071,395.65/366,630.71
  6. Step 6: Final answer
    x = 150,590.42

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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.