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Finding the Fourth Proportional to 334,066.80, 501,100.20 and 259,417.20

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Solution

The fourth proportional to 334,066.80, 501,100.20 and 259,417.20 is: 389,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,066.80 : 501,100.20 = 259,417.20 : x
  2. Step 2: Convert to fraction form
    334,066.80/501,100.20 = 259,417.20/x
  3. Step 3: Cross multiply
    334,066.80x = 501,100.20 × 259,417.20
  4. Step 4: Simplify right side
    334,066.80x = 129,994,010,803.44
  5. Step 5: Solve for x
    x = 129,994,010,803.44/334,066.80
  6. Step 6: Final answer
    x = 389,125.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.