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Finding the Fourth Proportional to 474,667.14, 655,041.45 and 259,820.82

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Solution

The fourth proportional to 474,667.14, 655,041.45 and 259,820.82 is: 358,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,667.14 : 655,041.45 = 259,820.82 : x
  2. Step 2: Convert to fraction form
    474,667.14/655,041.45 = 259,820.82/x
  3. Step 3: Cross multiply
    474,667.14x = 655,041.45 × 259,820.82
  4. Step 4: Simplify right side
    474,667.14x = 170,193,406,672.99
  5. Step 5: Solve for x
    x = 170,193,406,672.99/474,667.14
  6. Step 6: Final answer
    x = 358,553.17

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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.