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Finding the Fourth Proportional to 475,182.70, 655,752.06 and 284,196.10

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Solution

The fourth proportional to 475,182.70, 655,752.06 and 284,196.10 is: 392,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,182.70 : 655,752.06 = 284,196.10 : x
  2. Step 2: Convert to fraction form
    475,182.70/655,752.06 = 284,196.10/x
  3. Step 3: Cross multiply
    475,182.70x = 655,752.06 × 284,196.10
  4. Step 4: Simplify right side
    475,182.70x = 186,362,178,018.97
  5. Step 5: Solve for x
    x = 186,362,178,018.97/475,182.70
  6. Step 6: Final answer
    x = 392,190.58

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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.