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Finding the Fourth Proportional to 364,543.20, 503,303.76 and 228,763.44

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Solution

The fourth proportional to 364,543.20, 503,303.76 and 228,763.44 is: 315,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,543.20 : 503,303.76 = 228,763.44 : x
  2. Step 2: Convert to fraction form
    364,543.20/503,303.76 = 228,763.44/x
  3. Step 3: Cross multiply
    364,543.20x = 503,303.76 × 228,763.44
  4. Step 4: Simplify right side
    364,543.20x = 115,137,499,502.53
  5. Step 5: Solve for x
    x = 115,137,499,502.53/364,543.20
  6. Step 6: Final answer
    x = 315,840.48

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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.