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Finding the Fourth Proportional to 483,133.50, 724,695.61 and 293,646.15

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Solution

The fourth proportional to 483,133.50, 724,695.61 and 293,646.15 is: 440,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,133.50 : 724,695.61 = 293,646.15 : x
  2. Step 2: Convert to fraction form
    483,133.50/724,695.61 = 293,646.15/x
  3. Step 3: Cross multiply
    483,133.50x = 724,695.61 × 293,646.15
  4. Step 4: Simplify right side
    483,133.50x = 212,804,070,706.69
  5. Step 5: Solve for x
    x = 212,804,070,706.69/483,133.50
  6. Step 6: Final answer
    x = 440,466.40

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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.