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Finding the Fourth Proportional to 573,188.03, 859,782.03 and 257,275.88

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Solution

The fourth proportional to 573,188.03, 859,782.03 and 257,275.88 is: 385,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,188.03 : 859,782.03 = 257,275.88 : x
  2. Step 2: Convert to fraction form
    573,188.03/859,782.03 = 257,275.88/x
  3. Step 3: Cross multiply
    573,188.03x = 859,782.03 × 257,275.88
  4. Step 4: Simplify right side
    573,188.03x = 221,201,176,336.92
  5. Step 5: Solve for x
    x = 221,201,176,336.92/573,188.03
  6. Step 6: Final answer
    x = 385,913.81

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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.