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Finding the Fourth Proportional to 366,177.45, 549,065.95 and 290,760.45

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Solution

The fourth proportional to 366,177.45, 549,065.95 and 290,760.45 is: 435,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,177.45 : 549,065.95 = 290,760.45 : x
  2. Step 2: Convert to fraction form
    366,177.45/549,065.95 = 290,760.45/x
  3. Step 3: Cross multiply
    366,177.45x = 549,065.95 × 290,760.45
  4. Step 4: Simplify right side
    366,177.45x = 159,646,661,247.88
  5. Step 5: Solve for x
    x = 159,646,661,247.88/366,177.45
  6. Step 6: Final answer
    x = 435,981.68

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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.