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Finding the Fourth Proportional to 374,495.10, 560,867.85 and 366,978.30

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Solution

The fourth proportional to 374,495.10, 560,867.85 and 366,978.30 is: 549,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,495.10 : 560,867.85 = 366,978.30 : x
  2. Step 2: Convert to fraction form
    374,495.10/560,867.85 = 366,978.30/x
  3. Step 3: Cross multiply
    374,495.10x = 560,867.85 × 366,978.30
  4. Step 4: Simplify right side
    374,495.10x = 205,826,330,117.66
  5. Step 5: Solve for x
    x = 205,826,330,117.66/374,495.10
  6. Step 6: Final answer
    x = 549,610.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.