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Finding the Fourth Proportional to 417,256.93, 575,814.72 and 226,270.27

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Solution

The fourth proportional to 417,256.93, 575,814.72 and 226,270.27 is: 312,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,256.93 : 575,814.72 = 226,270.27 : x
  2. Step 2: Convert to fraction form
    417,256.93/575,814.72 = 226,270.27/x
  3. Step 3: Cross multiply
    417,256.93x = 575,814.72 × 226,270.27
  4. Step 4: Simplify right side
    417,256.93x = 130,289,752,459.89
  5. Step 5: Solve for x
    x = 130,289,752,459.89/417,256.93
  6. Step 6: Final answer
    x = 312,253.06

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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.