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Finding the Fourth Proportional to 407,337.64, 562,167.42 and 226,050.80

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Solution

The fourth proportional to 407,337.64, 562,167.42 and 226,050.80 is: 311,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,337.64 : 562,167.42 = 226,050.80 : x
  2. Step 2: Convert to fraction form
    407,337.64/562,167.42 = 226,050.80/x
  3. Step 3: Cross multiply
    407,337.64x = 562,167.42 × 226,050.80
  4. Step 4: Simplify right side
    407,337.64x = 127,078,395,024.94
  5. Step 5: Solve for x
    x = 127,078,395,024.94/407,337.64
  6. Step 6: Final answer
    x = 311,973.12

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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.