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Finding the Fourth Proportional to 283,533.98, 391,333.56 and 162,756.92

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Solution

The fourth proportional to 283,533.98, 391,333.56 and 162,756.92 is: 224,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,533.98 : 391,333.56 = 162,756.92 : x
  2. Step 2: Convert to fraction form
    283,533.98/391,333.56 = 162,756.92/x
  3. Step 3: Cross multiply
    283,533.98x = 391,333.56 × 162,756.92
  4. Step 4: Simplify right side
    283,533.98x = 63,692,244,918.24
  5. Step 5: Solve for x
    x = 63,692,244,918.24/283,533.98
  6. Step 6: Final answer
    x = 224,637.08

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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.