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Finding the Fourth Proportional to 500,665.76, 751,095.32 and 163,615.50

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Solution

The fourth proportional to 500,665.76, 751,095.32 and 163,615.50 is: 245,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,665.76 : 751,095.32 = 163,615.50 : x
  2. Step 2: Convert to fraction form
    500,665.76/751,095.32 = 163,615.50/x
  3. Step 3: Cross multiply
    500,665.76x = 751,095.32 × 163,615.50
  4. Step 4: Simplify right side
    500,665.76x = 122,890,836,329.46
  5. Step 5: Solve for x
    x = 122,890,836,329.46/500,665.76
  6. Step 6: Final answer
    x = 245,454.84

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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.