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Finding the Fourth Proportional to 572,897.59, 859,390.12 and 173,571.43

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Solution

The fourth proportional to 572,897.59, 859,390.12 and 173,571.43 is: 260,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,897.59 : 859,390.12 = 173,571.43 : x
  2. Step 2: Convert to fraction form
    572,897.59/859,390.12 = 173,571.43/x
  3. Step 3: Cross multiply
    572,897.59x = 859,390.12 × 173,571.43
  4. Step 4: Simplify right side
    572,897.59x = 149,165,572,056.27
  5. Step 5: Solve for x
    x = 149,165,572,056.27/572,897.59
  6. Step 6: Final answer
    x = 260,370.40

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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.