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Finding the Fourth Proportional to 549,684.63, 758,595.98 and 308,045.13

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Solution

The fourth proportional to 549,684.63, 758,595.98 and 308,045.13 is: 425,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,684.63 : 758,595.98 = 308,045.13 : x
  2. Step 2: Convert to fraction form
    549,684.63/758,595.98 = 308,045.13/x
  3. Step 3: Cross multiply
    549,684.63x = 758,595.98 × 308,045.13
  4. Step 4: Simplify right side
    549,684.63x = 233,681,795,201.96
  5. Step 5: Solve for x
    x = 233,681,795,201.96/549,684.63
  6. Step 6: Final answer
    x = 425,119.75

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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.