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Finding the Fourth Proportional to 549,847.90, 758,645.76 and 335,084.50

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Solution

The fourth proportional to 549,847.90, 758,645.76 and 335,084.50 is: 462,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,847.90 : 758,645.76 = 335,084.50 : x
  2. Step 2: Convert to fraction form
    549,847.90/758,645.76 = 335,084.50/x
  3. Step 3: Cross multiply
    549,847.90x = 758,645.76 × 335,084.50
  4. Step 4: Simplify right side
    549,847.90x = 254,210,435,166.72
  5. Step 5: Solve for x
    x = 254,210,435,166.72/549,847.90
  6. Step 6: Final answer
    x = 462,328.65

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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.