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Finding the Fourth Proportional to 501,107.50, 751,646.67 and 185,557.42

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Solution

The fourth proportional to 501,107.50, 751,646.67 and 185,557.42 is: 278,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,107.50 : 751,646.67 = 185,557.42 : x
  2. Step 2: Convert to fraction form
    501,107.50/751,646.67 = 185,557.42/x
  3. Step 3: Cross multiply
    501,107.50x = 751,646.67 × 185,557.42
  4. Step 4: Simplify right side
    501,107.50x = 139,473,616,836.79
  5. Step 5: Solve for x
    x = 139,473,616,836.79/501,107.50
  6. Step 6: Final answer
    x = 278,330.73

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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.