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Finding the Fourth Proportional to 605,032.90, 907,549.35 and 405,967.30

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Solution

The fourth proportional to 605,032.90, 907,549.35 and 405,967.30 is: 608,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,032.90 : 907,549.35 = 405,967.30 : x
  2. Step 2: Convert to fraction form
    605,032.90/907,549.35 = 405,967.30/x
  3. Step 3: Cross multiply
    605,032.90x = 907,549.35 × 405,967.30
  4. Step 4: Simplify right side
    605,032.90x = 368,435,359,236.26
  5. Step 5: Solve for x
    x = 368,435,359,236.26/605,032.90
  6. Step 6: Final answer
    x = 608,950.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.