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Finding the Fourth Proportional to 549,518.10, 758,594.70 and 368,348.37

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Solution

The fourth proportional to 549,518.10, 758,594.70 and 368,348.37 is: 508,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,518.10 : 758,594.70 = 368,348.37 : x
  2. Step 2: Convert to fraction form
    549,518.10/758,594.70 = 368,348.37/x
  3. Step 3: Cross multiply
    549,518.10x = 758,594.70 × 368,348.37
  4. Step 4: Simplify right side
    549,518.10x = 279,427,121,235.64
  5. Step 5: Solve for x
    x = 279,427,121,235.64/549,518.10
  6. Step 6: Final answer
    x = 508,494.85

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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.