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Finding the Fourth Proportional to 407,801.86, 562,759.05 and 226,506.58

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Solution

The fourth proportional to 407,801.86, 562,759.05 and 226,506.58 is: 312,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,801.86 : 562,759.05 = 226,506.58 : x
  2. Step 2: Convert to fraction form
    407,801.86/562,759.05 = 226,506.58/x
  3. Step 3: Cross multiply
    407,801.86x = 562,759.05 × 226,506.58
  4. Step 4: Simplify right side
    407,801.86x = 127,468,627,779.55
  5. Step 5: Solve for x
    x = 127,468,627,779.55/407,801.86
  6. Step 6: Final answer
    x = 312,574.91

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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.