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Finding the Fourth Proportional to 336,499.92, 464,253.66 and 215,707.86

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Solution

The fourth proportional to 336,499.92, 464,253.66 and 215,707.86 is: 297,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,499.92 : 464,253.66 = 215,707.86 : x
  2. Step 2: Convert to fraction form
    336,499.92/464,253.66 = 215,707.86/x
  3. Step 3: Cross multiply
    336,499.92x = 464,253.66 × 215,707.86
  4. Step 4: Simplify right side
    336,499.92x = 100,143,163,495.77
  5. Step 5: Solve for x
    x = 100,143,163,495.77/336,499.92
  6. Step 6: Final answer
    x = 297,602.34

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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.