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Finding the Fourth Proportional to 417,151.86, 575,670.81 and 226,165.33

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Solution

The fourth proportional to 417,151.86, 575,670.81 and 226,165.33 is: 312,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,151.86 : 575,670.81 = 226,165.33 : x
  2. Step 2: Convert to fraction form
    417,151.86/575,670.81 = 226,165.33/x
  3. Step 3: Cross multiply
    417,151.86x = 575,670.81 × 226,165.33
  4. Step 4: Simplify right side
    417,151.86x = 130,196,778,715.02
  5. Step 5: Solve for x
    x = 130,196,778,715.02/417,151.86
  6. Step 6: Final answer
    x = 312,108.83

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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.