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Finding the Fourth Proportional to 283,681.60, 425,522.40 and 256,033.60

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Solution

The fourth proportional to 283,681.60, 425,522.40 and 256,033.60 is: 384,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,681.60 : 425,522.40 = 256,033.60 : x
  2. Step 2: Convert to fraction form
    283,681.60/425,522.40 = 256,033.60/x
  3. Step 3: Cross multiply
    283,681.60x = 425,522.40 × 256,033.60
  4. Step 4: Simplify right side
    283,681.60x = 108,948,031,952.64
  5. Step 5: Solve for x
    x = 108,948,031,952.64/283,681.60
  6. Step 6: Final answer
    x = 384,050.40

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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.