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Finding the Fourth Proportional to 440,394.82, 607,716.08 and 259,071.72

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Solution

The fourth proportional to 440,394.82, 607,716.08 and 259,071.72 is: 357,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,394.82 : 607,716.08 = 259,071.72 : x
  2. Step 2: Convert to fraction form
    440,394.82/607,716.08 = 259,071.72/x
  3. Step 3: Cross multiply
    440,394.82x = 607,716.08 × 259,071.72
  4. Step 4: Simplify right side
    440,394.82x = 157,442,051,992.66
  5. Step 5: Solve for x
    x = 157,442,051,992.66/440,394.82
  6. Step 6: Final answer
    x = 357,502.05

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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.