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Finding the Fourth Proportional to 283,870.94, 425,455.77 and 243,606.90

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Solution

The fourth proportional to 283,870.94, 425,455.77 and 243,606.90 is: 365,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,870.94 : 425,455.77 = 243,606.90 : x
  2. Step 2: Convert to fraction form
    283,870.94/425,455.77 = 243,606.90/x
  3. Step 3: Cross multiply
    283,870.94x = 425,455.77 × 243,606.90
  4. Step 4: Simplify right side
    283,870.94x = 103,643,961,216.81
  5. Step 5: Solve for x
    x = 103,643,961,216.81/283,870.94
  6. Step 6: Final answer
    x = 365,109.44

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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.