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Finding the Fourth Proportional to 243,263.20, 364,117.20 and 173,279.20

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Solution

The fourth proportional to 243,263.20, 364,117.20 and 173,279.20 is: 259,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,263.20 : 364,117.20 = 173,279.20 : x
  2. Step 2: Convert to fraction form
    243,263.20/364,117.20 = 173,279.20/x
  3. Step 3: Cross multiply
    243,263.20x = 364,117.20 × 173,279.20
  4. Step 4: Simplify right side
    243,263.20x = 63,093,937,122.24
  5. Step 5: Solve for x
    x = 63,093,937,122.24/243,263.20
  6. Step 6: Final answer
    x = 259,364.91

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1.5x scale

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.