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Finding the Fourth Proportional to 578,192.40, 866,597.40 and 297,565.20

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Solution

The fourth proportional to 578,192.40, 866,597.40 and 297,565.20 is: 445,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,192.40 : 866,597.40 = 297,565.20 : x
  2. Step 2: Convert to fraction form
    578,192.40/866,597.40 = 297,565.20/x
  3. Step 3: Cross multiply
    578,192.40x = 866,597.40 × 297,565.20
  4. Step 4: Simplify right side
    578,192.40x = 257,869,228,650.48
  5. Step 5: Solve for x
    x = 257,869,228,650.48/578,192.40
  6. Step 6: Final answer
    x = 445,992.08

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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.