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Finding the Fourth Proportional to 283,774.79, 425,462.59 and 131,810.53

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Solution

The fourth proportional to 283,774.79, 425,462.59 and 131,810.53 is: 197,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,774.79 : 425,462.59 = 131,810.53 : x
  2. Step 2: Convert to fraction form
    283,774.79/425,462.59 = 131,810.53/x
  3. Step 3: Cross multiply
    283,774.79x = 425,462.59 × 131,810.53
  4. Step 4: Simplify right side
    283,774.79x = 56,080,448,089.89
  5. Step 5: Solve for x
    x = 56,080,448,089.89/283,774.79
  6. Step 6: Final answer
    x = 197,623.08

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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.