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Finding the Fourth Proportional to 483,506.02, 724,808.12 and 163,435.19

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Solution

The fourth proportional to 483,506.02, 724,808.12 and 163,435.19 is: 245,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,506.02 : 724,808.12 = 163,435.19 : x
  2. Step 2: Convert to fraction form
    483,506.02/724,808.12 = 163,435.19/x
  3. Step 3: Cross multiply
    483,506.02x = 724,808.12 × 163,435.19
  4. Step 4: Simplify right side
    483,506.02x = 118,459,154,824.84
  5. Step 5: Solve for x
    x = 118,459,154,824.84/483,506.02
  6. Step 6: Final answer
    x = 245,000.37

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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.