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Finding the Fourth Proportional to 670,876.96, 927,138.54 and 549,827.32

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Solution

The fourth proportional to 670,876.96, 927,138.54 and 549,827.32 is: 759,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,876.96 : 927,138.54 = 549,827.32 : x
  2. Step 2: Convert to fraction form
    670,876.96/927,138.54 = 549,827.32/x
  3. Step 3: Cross multiply
    670,876.96x = 927,138.54 × 549,827.32
  4. Step 4: Simplify right side
    670,876.96x = 509,766,098,716.91
  5. Step 5: Solve for x
    x = 509,766,098,716.91/670,876.96
  6. Step 6: Final answer
    x = 759,850.36

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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.