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Finding the Fourth Proportional to 483,773.04, 724,970.42 and 356,411.68

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Solution

The fourth proportional to 483,773.04, 724,970.42 and 356,411.68 is: 534,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,773.04 : 724,970.42 = 356,411.68 : x
  2. Step 2: Convert to fraction form
    483,773.04/724,970.42 = 356,411.68/x
  3. Step 3: Cross multiply
    483,773.04x = 724,970.42 × 356,411.68
  4. Step 4: Simplify right side
    483,773.04x = 258,387,919,935.60
  5. Step 5: Solve for x
    x = 258,387,919,935.60/483,773.04
  6. Step 6: Final answer
    x = 534,109.80

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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.