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Finding the Fourth Proportional to 283,445, 391,120.06 and 162,580.04

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Solution

The fourth proportional to 283,445, 391,120.06 and 162,580.04 is: 224,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,445 : 391,120.06 = 162,580.04 : x
  2. Step 2: Convert to fraction form
    283,445/391,120.06 = 162,580.04/x
  3. Step 3: Cross multiply
    283,445x = 391,120.06 × 162,580.04
  4. Step 4: Simplify right side
    283,445x = 63,588,314,999.60
  5. Step 5: Solve for x
    x = 63,588,314,999.60/283,445
  6. Step 6: Final answer
    x = 224,340.93

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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.