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Finding the Fourth Proportional to 454,341.60, 626,881.29 and 258,064.42

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Solution

The fourth proportional to 454,341.60, 626,881.29 and 258,064.42 is: 356,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,341.60 : 626,881.29 = 258,064.42 : x
  2. Step 2: Convert to fraction form
    454,341.60/626,881.29 = 258,064.42/x
  3. Step 3: Cross multiply
    454,341.60x = 626,881.29 × 258,064.42
  4. Step 4: Simplify right side
    454,341.60x = 161,775,753,378.30
  5. Step 5: Solve for x
    x = 161,775,753,378.30/454,341.60
  6. Step 6: Final answer
    x = 356,066.35

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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.