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Finding the Fourth Proportional to 474,675.96, 655,053.04 and 259,817.12

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Solution

The fourth proportional to 474,675.96, 655,053.04 and 259,817.12 is: 358,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,675.96 : 655,053.04 = 259,817.12 : x
  2. Step 2: Convert to fraction form
    474,675.96/655,053.04 = 259,817.12/x
  3. Step 3: Cross multiply
    474,675.96x = 655,053.04 × 259,817.12
  4. Step 4: Simplify right side
    474,675.96x = 170,193,994,300.05
  5. Step 5: Solve for x
    x = 170,193,994,300.05/474,675.96
  6. Step 6: Final answer
    x = 358,547.74

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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.