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Finding the Fourth Proportional to 522,015.70, 783,140.01 and 167,051.02

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Solution

The fourth proportional to 522,015.70, 783,140.01 and 167,051.02 is: 250,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,015.70 : 783,140.01 = 167,051.02 : x
  2. Step 2: Convert to fraction form
    522,015.70/783,140.01 = 167,051.02/x
  3. Step 3: Cross multiply
    522,015.70x = 783,140.01 × 167,051.02
  4. Step 4: Simplify right side
    522,015.70x = 130,824,337,473.31
  5. Step 5: Solve for x
    x = 130,824,337,473.31/522,015.70
  6. Step 6: Final answer
    x = 250,613.80

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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.