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Finding the Fourth Proportional to 590,011.20, 884,930.40 and 169,243.20

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Solution

The fourth proportional to 590,011.20, 884,930.40 and 169,243.20 is: 253,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,011.20 : 884,930.40 = 169,243.20 : x
  2. Step 2: Convert to fraction form
    590,011.20/884,930.40 = 169,243.20/x
  3. Step 3: Cross multiply
    590,011.20x = 884,930.40 × 169,243.20
  4. Step 4: Simplify right side
    590,011.20x = 149,768,452,673.28
  5. Step 5: Solve for x
    x = 149,768,452,673.28/590,011.20
  6. Step 6: Final answer
    x = 253,840.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.