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Finding the Fourth Proportional to 475,076.94, 655,615.62 and 260,217.06

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Solution

The fourth proportional to 475,076.94, 655,615.62 and 260,217.06 is: 359,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,076.94 : 655,615.62 = 260,217.06 : x
  2. Step 2: Convert to fraction form
    475,076.94/655,615.62 = 260,217.06/x
  3. Step 3: Cross multiply
    475,076.94x = 655,615.62 × 260,217.06
  4. Step 4: Simplify right side
    475,076.94x = 170,602,369,126.48
  5. Step 5: Solve for x
    x = 170,602,369,126.48/475,076.94
  6. Step 6: Final answer
    x = 359,104.71

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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.