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Finding the Fourth Proportional to 573,274.80, 858,875.40 and 467,521.20

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Solution

The fourth proportional to 573,274.80, 858,875.40 and 467,521.20 is: 700,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,274.80 : 858,875.40 = 467,521.20 : x
  2. Step 2: Convert to fraction form
    573,274.80/858,875.40 = 467,521.20/x
  3. Step 3: Cross multiply
    573,274.80x = 858,875.40 × 467,521.20
  4. Step 4: Simplify right side
    573,274.80x = 401,542,457,658.48
  5. Step 5: Solve for x
    x = 401,542,457,658.48/573,274.80
  6. Step 6: Final answer
    x = 700,436.26

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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.