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Finding the Fourth Proportional to 464,298.02, 640,864.12 and 273,422.12

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Solution

The fourth proportional to 464,298.02, 640,864.12 and 273,422.12 is: 377,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,298.02 : 640,864.12 = 273,422.12 : x
  2. Step 2: Convert to fraction form
    464,298.02/640,864.12 = 273,422.12/x
  3. Step 3: Cross multiply
    464,298.02x = 640,864.12 × 273,422.12
  4. Step 4: Simplify right side
    464,298.02x = 175,226,426,322.33
  5. Step 5: Solve for x
    x = 175,226,426,322.33/464,298.02
  6. Step 6: Final answer
    x = 377,400.77

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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.