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Finding the Fourth Proportional to 224,457.86, 336,689.76 and 74,698.18

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Solution

The fourth proportional to 224,457.86, 336,689.76 and 74,698.18 is: 112,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,457.86 : 336,689.76 = 74,698.18 : x
  2. Step 2: Convert to fraction form
    224,457.86/336,689.76 = 74,698.18/x
  3. Step 3: Cross multiply
    224,457.86x = 336,689.76 × 74,698.18
  4. Step 4: Simplify right side
    224,457.86x = 25,150,111,454.91
  5. Step 5: Solve for x
    x = 25,150,111,454.91/224,457.86
  6. Step 6: Final answer
    x = 112,048.25

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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.