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Finding the Fourth Proportional to 606,645.45, 909,968.18 and 488,547.45

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Solution

The fourth proportional to 606,645.45, 909,968.18 and 488,547.45 is: 732,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,645.45 : 909,968.18 = 488,547.45 : x
  2. Step 2: Convert to fraction form
    606,645.45/909,968.18 = 488,547.45/x
  3. Step 3: Cross multiply
    606,645.45x = 909,968.18 × 488,547.45
  4. Step 4: Simplify right side
    606,645.45x = 444,562,631,477.40
  5. Step 5: Solve for x
    x = 444,562,631,477.40/606,645.45
  6. Step 6: Final answer
    x = 732,821.18

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