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Finding the Fourth Proportional to 407,773.76, 562,727.80 and 228,925.76

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Solution

The fourth proportional to 407,773.76, 562,727.80 and 228,925.76 is: 315,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,773.76 : 562,727.80 = 228,925.76 : x
  2. Step 2: Convert to fraction form
    407,773.76/562,727.80 = 228,925.76/x
  3. Step 3: Cross multiply
    407,773.76x = 562,727.80 × 228,925.76
  4. Step 4: Simplify right side
    407,773.76x = 128,822,889,288.13
  5. Step 5: Solve for x
    x = 128,822,889,288.13/407,773.76
  6. Step 6: Final answer
    x = 315,917.56

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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.