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Finding the Fourth Proportional to 435,060.63, 652,564.62 and 258,690.03

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Solution

The fourth proportional to 435,060.63, 652,564.62 and 258,690.03 is: 388,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,060.63 : 652,564.62 = 258,690.03 : x
  2. Step 2: Convert to fraction form
    435,060.63/652,564.62 = 258,690.03/x
  3. Step 3: Cross multiply
    435,060.63x = 652,564.62 × 258,690.03
  4. Step 4: Simplify right side
    435,060.63x = 168,811,961,124.74
  5. Step 5: Solve for x
    x = 168,811,961,124.74/435,060.63
  6. Step 6: Final answer
    x = 388,019.39

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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.