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Finding the Fourth Proportional to 417,007.71, 575,464.39 and 235,713.26

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Solution

The fourth proportional to 417,007.71, 575,464.39 and 235,713.26 is: 325,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,007.71 : 575,464.39 = 235,713.26 : x
  2. Step 2: Convert to fraction form
    417,007.71/575,464.39 = 235,713.26/x
  3. Step 3: Cross multiply
    417,007.71x = 575,464.39 × 235,713.26
  4. Step 4: Simplify right side
    417,007.71x = 135,644,588,230.19
  5. Step 5: Solve for x
    x = 135,644,588,230.19/417,007.71
  6. Step 6: Final answer
    x = 325,280.77

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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.