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Finding the Fourth Proportional to 691,038.90, 953,352.78 and 458,575.47

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Solution

The fourth proportional to 691,038.90, 953,352.78 and 458,575.47 is: 632,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,038.90 : 953,352.78 = 458,575.47 : x
  2. Step 2: Convert to fraction form
    691,038.90/953,352.78 = 458,575.47/x
  3. Step 3: Cross multiply
    691,038.90x = 953,352.78 × 458,575.47
  4. Step 4: Simplify right side
    691,038.90x = 437,184,199,164.31
  5. Step 5: Solve for x
    x = 437,184,199,164.31/691,038.90
  6. Step 6: Final answer
    x = 632,647.74

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