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Finding the Fourth Proportional to 672,602.04, 927,665.64 and 430,906.92

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Solution

The fourth proportional to 672,602.04, 927,665.64 and 430,906.92 is: 594,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,602.04 : 927,665.64 = 430,906.92 : x
  2. Step 2: Convert to fraction form
    672,602.04/927,665.64 = 430,906.92/x
  3. Step 3: Cross multiply
    672,602.04x = 927,665.64 × 430,906.92
  4. Step 4: Simplify right side
    672,602.04x = 399,737,543,722.23
  5. Step 5: Solve for x
    x = 399,737,543,722.23/672,602.04
  6. Step 6: Final answer
    x = 594,315.09

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Double scale
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Similar ratio
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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.