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Finding the Fourth Proportional to 283,357.01, 391,035.53 and 156,033.11

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Solution

The fourth proportional to 283,357.01, 391,035.53 and 156,033.11 is: 215,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,357.01 : 391,035.53 = 156,033.11 : x
  2. Step 2: Convert to fraction form
    283,357.01/391,035.53 = 156,033.11/x
  3. Step 3: Cross multiply
    283,357.01x = 391,035.53 × 156,033.11
  4. Step 4: Simplify right side
    283,357.01x = 61,014,489,866.40
  5. Step 5: Solve for x
    x = 61,014,489,866.40/283,357.01
  6. Step 6: Final answer
    x = 215,327.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.