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Finding the Fourth Proportional to 581,390.40, 872,085.60 and 581,390.40

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Solution

The fourth proportional to 581,390.40, 872,085.60 and 581,390.40 is: 872,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,390.40 : 872,085.60 = 581,390.40 : x
  2. Step 2: Convert to fraction form
    581,390.40/872,085.60 = 581,390.40/x
  3. Step 3: Cross multiply
    581,390.40x = 872,085.60 × 581,390.40
  4. Step 4: Simplify right side
    581,390.40x = 507,022,195,818.24
  5. Step 5: Solve for x
    x = 507,022,195,818.24/581,390.40
  6. Step 6: Final answer
    x = 872,085.60

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