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Finding the Fourth Proportional to 589,663.40, 884,495.10 and 403,039.40

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Solution

The fourth proportional to 589,663.40, 884,495.10 and 403,039.40 is: 604,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,663.40 : 884,495.10 = 403,039.40 : x
  2. Step 2: Convert to fraction form
    589,663.40/884,495.10 = 403,039.40/x
  3. Step 3: Cross multiply
    589,663.40x = 884,495.10 × 403,039.40
  4. Step 4: Simplify right side
    589,663.40x = 356,486,374,406.94
  5. Step 5: Solve for x
    x = 356,486,374,406.94/589,663.40
  6. Step 6: Final answer
    x = 604,559.10

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