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Finding the Fourth Proportional to 672,606.04, 927,671.16 and 430,910.92

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Solution

The fourth proportional to 672,606.04, 927,671.16 and 430,910.92 is: 594,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,606.04 : 927,671.16 = 430,910.92 : x
  2. Step 2: Convert to fraction form
    672,606.04/927,671.16 = 430,910.92/x
  3. Step 3: Cross multiply
    672,606.04x = 927,671.16 × 430,910.92
  4. Step 4: Simplify right side
    672,606.04x = 399,743,633,013.07
  5. Step 5: Solve for x
    x = 399,743,633,013.07/672,606.04
  6. Step 6: Final answer
    x = 594,320.61

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Double scale
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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.