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Finding the Fourth Proportional to 549,800.82, 758,724.12 and 334,940.90

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Solution

The fourth proportional to 549,800.82, 758,724.12 and 334,940.90 is: 462,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,800.82 : 758,724.12 = 334,940.90 : x
  2. Step 2: Convert to fraction form
    549,800.82/758,724.12 = 334,940.90/x
  3. Step 3: Cross multiply
    549,800.82x = 758,724.12 × 334,940.90
  4. Step 4: Simplify right side
    549,800.82x = 254,127,735,810.89
  5. Step 5: Solve for x
    x = 254,127,735,810.89/549,800.82
  6. Step 6: Final answer
    x = 462,217.82

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1.5x scale

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.