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Finding the Fourth Proportional to 520,187.08, 718,167.54 and 329,364.04

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Solution

The fourth proportional to 520,187.08, 718,167.54 and 329,364.04 is: 454,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,187.08 : 718,167.54 = 329,364.04 : x
  2. Step 2: Convert to fraction form
    520,187.08/718,167.54 = 329,364.04/x
  3. Step 3: Cross multiply
    520,187.08x = 718,167.54 × 329,364.04
  4. Step 4: Simplify right side
    520,187.08x = 236,538,562,371.26
  5. Step 5: Solve for x
    x = 236,538,562,371.26/520,187.08
  6. Step 6: Final answer
    x = 454,718.26

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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.