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Finding the Fourth Proportional to 478,397.60, 660,193.28 and 263,545.28

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Solution

The fourth proportional to 478,397.60, 660,193.28 and 263,545.28 is: 363,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,397.60 : 660,193.28 = 263,545.28 : x
  2. Step 2: Convert to fraction form
    478,397.60/660,193.28 = 263,545.28/x
  3. Step 3: Cross multiply
    478,397.60x = 660,193.28 × 263,545.28
  4. Step 4: Simplify right side
    478,397.60x = 173,990,822,831.72
  5. Step 5: Solve for x
    x = 173,990,822,831.72/478,397.60
  6. Step 6: Final answer
    x = 363,695.02

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