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Finding the Fourth Proportional to 573,040.08, 859,263.48 and 257,225.04

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Solution

The fourth proportional to 573,040.08, 859,263.48 and 257,225.04 is: 385,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,040.08 : 859,263.48 = 257,225.04 : x
  2. Step 2: Convert to fraction form
    573,040.08/859,263.48 = 257,225.04/x
  3. Step 3: Cross multiply
    573,040.08x = 859,263.48 × 257,225.04
  4. Step 4: Simplify right side
    573,040.08x = 221,024,083,013.54
  5. Step 5: Solve for x
    x = 221,024,083,013.54/573,040.08
  6. Step 6: Final answer
    x = 385,704.40

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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.