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Finding the Fourth Proportional to 417,369.05, 575,970.29 and 226,382.45

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Solution

The fourth proportional to 417,369.05, 575,970.29 and 226,382.45 is: 312,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,369.05 : 575,970.29 = 226,382.45 : x
  2. Step 2: Convert to fraction form
    417,369.05/575,970.29 = 226,382.45/x
  3. Step 3: Cross multiply
    417,369.05x = 575,970.29 × 226,382.45
  4. Step 4: Simplify right side
    417,369.05x = 130,389,563,487.98
  5. Step 5: Solve for x
    x = 130,389,563,487.98/417,369.05
  6. Step 6: Final answer
    x = 312,408.32

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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.