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Finding the Fourth Proportional to 336,303.99, 463,836.96 and 215,456.45

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Solution

The fourth proportional to 336,303.99, 463,836.96 and 215,456.45 is: 297,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,303.99 : 463,836.96 = 215,456.45 : x
  2. Step 2: Convert to fraction form
    336,303.99/463,836.96 = 215,456.45/x
  3. Step 3: Cross multiply
    336,303.99x = 463,836.96 × 215,456.45
  4. Step 4: Simplify right side
    336,303.99x = 99,936,662,461.21
  5. Step 5: Solve for x
    x = 99,936,662,461.21/336,303.99
  6. Step 6: Final answer
    x = 297,161.69

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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.