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Finding the Fourth Proportional to 429,441.75, 592,684.29 and 259,677.09

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Solution

The fourth proportional to 429,441.75, 592,684.29 and 259,677.09 is: 358,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,441.75 : 592,684.29 = 259,677.09 : x
  2. Step 2: Convert to fraction form
    429,441.75/592,684.29 = 259,677.09/x
  3. Step 3: Cross multiply
    429,441.75x = 592,684.29 × 259,677.09
  4. Step 4: Simplify right side
    429,441.75x = 153,906,531,715.92
  5. Step 5: Solve for x
    x = 153,906,531,715.92/429,441.75
  6. Step 6: Final answer
    x = 358,387.45

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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.