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Finding the Fourth Proportional to 407,447.01, 562,216.95 and 226,160.30

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Solution

The fourth proportional to 407,447.01, 562,216.95 and 226,160.30 is: 312,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,447.01 : 562,216.95 = 226,160.30 : x
  2. Step 2: Convert to fraction form
    407,447.01/562,216.95 = 226,160.30/x
  3. Step 3: Cross multiply
    407,447.01x = 562,216.95 × 226,160.30
  4. Step 4: Simplify right side
    407,447.01x = 127,151,155,482.63
  5. Step 5: Solve for x
    x = 127,151,155,482.63/407,447.01
  6. Step 6: Final answer
    x = 312,067.96

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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.