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Finding the Fourth Proportional to 500,374.46, 750,639.45 and 168,028.22

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Solution

The fourth proportional to 500,374.46, 750,639.45 and 168,028.22 is: 252,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,374.46 : 750,639.45 = 168,028.22 : x
  2. Step 2: Convert to fraction form
    500,374.46/750,639.45 = 168,028.22/x
  3. Step 3: Cross multiply
    500,374.46x = 750,639.45 × 168,028.22
  4. Step 4: Simplify right side
    500,374.46x = 126,128,610,645.28
  5. Step 5: Solve for x
    x = 126,128,610,645.28/500,374.46
  6. Step 6: Final answer
    x = 252,068.44

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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.