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Finding the Fourth Proportional to 283,709.60, 425,564.40 and 165,514.40

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Solution

The fourth proportional to 283,709.60, 425,564.40 and 165,514.40 is: 248,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,709.60 : 425,564.40 = 165,514.40 : x
  2. Step 2: Convert to fraction form
    283,709.60/425,564.40 = 165,514.40/x
  3. Step 3: Cross multiply
    283,709.60x = 425,564.40 × 165,514.40
  4. Step 4: Simplify right side
    283,709.60x = 70,437,036,327.36
  5. Step 5: Solve for x
    x = 70,437,036,327.36/283,709.60
  6. Step 6: Final answer
    x = 248,271.60

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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.