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Finding the Fourth Proportional to 283,505.34, 425,341.08 and 83,830.92

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Solution

The fourth proportional to 283,505.34, 425,341.08 and 83,830.92 is: 125,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,505.34 : 425,341.08 = 83,830.92 : x
  2. Step 2: Convert to fraction form
    283,505.34/425,341.08 = 83,830.92/x
  3. Step 3: Cross multiply
    283,505.34x = 425,341.08 × 83,830.92
  4. Step 4: Simplify right side
    283,505.34x = 35,656,734,050.19
  5. Step 5: Solve for x
    x = 35,656,734,050.19/283,505.34
  6. Step 6: Final answer
    x = 125,770.94

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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.