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Finding the Fourth Proportional to 537,543.06, 741,840.03 and 308,138.52

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Solution

The fourth proportional to 537,543.06, 741,840.03 and 308,138.52 is: 425,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,543.06 : 741,840.03 = 308,138.52 : x
  2. Step 2: Convert to fraction form
    537,543.06/741,840.03 = 308,138.52/x
  3. Step 3: Cross multiply
    537,543.06x = 741,840.03 × 308,138.52
  4. Step 4: Simplify right side
    537,543.06x = 228,589,488,920.96
  5. Step 5: Solve for x
    x = 228,589,488,920.96/537,543.06
  6. Step 6: Final answer
    x = 425,248.70

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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.