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Finding the Fourth Proportional to 417,160.28, 575,692.52 and 235,899.32

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Solution

The fourth proportional to 417,160.28, 575,692.52 and 235,899.32 is: 325,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,160.28 : 575,692.52 = 235,899.32 : x
  2. Step 2: Convert to fraction form
    417,160.28/575,692.52 = 235,899.32/x
  3. Step 3: Cross multiply
    417,160.28x = 575,692.52 × 235,899.32
  4. Step 4: Simplify right side
    417,160.28x = 135,805,473,997.09
  5. Step 5: Solve for x
    x = 135,805,473,997.09/417,160.28
  6. Step 6: Final answer
    x = 325,547.47

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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.