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Finding the Fourth Proportional to 486,862.04, 671,066.70 and 325,659.08

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Solution

The fourth proportional to 486,862.04, 671,066.70 and 325,659.08 is: 448,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,862.04 : 671,066.70 = 325,659.08 : x
  2. Step 2: Convert to fraction form
    486,862.04/671,066.70 = 325,659.08/x
  3. Step 3: Cross multiply
    486,862.04x = 671,066.70 × 325,659.08
  4. Step 4: Simplify right side
    486,862.04x = 218,538,964,140.64
  5. Step 5: Solve for x
    x = 218,538,964,140.64/486,862.04
  6. Step 6: Final answer
    x = 448,872.47

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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.