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Finding the Fourth Proportional to 552,701.80, 829,052.70 and 493,604.20

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Solution

The fourth proportional to 552,701.80, 829,052.70 and 493,604.20 is: 740,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,701.80 : 829,052.70 = 493,604.20 : x
  2. Step 2: Convert to fraction form
    552,701.80/829,052.70 = 493,604.20/x
  3. Step 3: Cross multiply
    552,701.80x = 829,052.70 × 493,604.20
  4. Step 4: Simplify right side
    552,701.80x = 409,223,894,741.34
  5. Step 5: Solve for x
    x = 409,223,894,741.34/552,701.80
  6. Step 6: Final answer
    x = 740,406.30

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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.