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Finding the Fourth Proportional to 549,800.47, 758,724.66 and 334,940.37

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Solution

The fourth proportional to 549,800.47, 758,724.66 and 334,940.37 is: 462,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,800.47 : 758,724.66 = 334,940.37 : x
  2. Step 2: Convert to fraction form
    549,800.47/758,724.66 = 334,940.37/x
  3. Step 3: Cross multiply
    549,800.47x = 758,724.66 × 334,940.37
  4. Step 4: Simplify right side
    549,800.47x = 254,127,518,348.52
  5. Step 5: Solve for x
    x = 254,127,518,348.52/549,800.47
  6. Step 6: Final answer
    x = 462,217.72

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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.