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Finding the Fourth Proportional to 294,413.40, 442,276.20 and 282,457.80

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Solution

The fourth proportional to 294,413.40, 442,276.20 and 282,457.80 is: 424,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,413.40 : 442,276.20 = 282,457.80 : x
  2. Step 2: Convert to fraction form
    294,413.40/442,276.20 = 282,457.80/x
  3. Step 3: Cross multiply
    294,413.40x = 442,276.20 × 282,457.80
  4. Step 4: Simplify right side
    294,413.40x = 124,924,362,444.36
  5. Step 5: Solve for x
    x = 124,924,362,444.36/294,413.40
  6. Step 6: Final answer
    x = 424,316.16

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