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Finding the Fourth Proportional to 6,590,480.64, 9,867,879.66 and 4,663,471.20

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Solution

The fourth proportional to 6,590,480.64, 9,867,879.66 and 4,663,471.20 is: 6,982,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,480.64 : 9,867,879.66 = 4,663,471.20 : x
  2. Step 2: Convert to fraction form
    6,590,480.64/9,867,879.66 = 4,663,471.20/x
  3. Step 3: Cross multiply
    6,590,480.64x = 9,867,879.66 × 4,663,471.20
  4. Step 4: Simplify right side
    6,590,480.64x = 46,018,572,599,475.80
  5. Step 5: Solve for x
    x = 46,018,572,599,475.80/6,590,480.64
  6. Step 6: Final answer
    x = 6,982,582.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.