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Finding the Fourth Proportional to 303,613.92, 419,024.10 and 176,289.51

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Solution

The fourth proportional to 303,613.92, 419,024.10 and 176,289.51 is: 243,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,613.92 : 419,024.10 = 176,289.51 : x
  2. Step 2: Convert to fraction form
    303,613.92/419,024.10 = 176,289.51/x
  3. Step 3: Cross multiply
    303,613.92x = 419,024.10 × 176,289.51
  4. Step 4: Simplify right side
    303,613.92x = 73,869,553,267.19
  5. Step 5: Solve for x
    x = 73,869,553,267.19/303,613.92
  6. Step 6: Final answer
    x = 243,300.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.