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Finding the Fourth Proportional to 581,680.53, 872,050.19 and 261,598.01

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Solution

The fourth proportional to 581,680.53, 872,050.19 and 261,598.01 is: 392,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,680.53 : 872,050.19 = 261,598.01 : x
  2. Step 2: Convert to fraction form
    581,680.53/872,050.19 = 261,598.01/x
  3. Step 3: Cross multiply
    581,680.53x = 872,050.19 × 261,598.01
  4. Step 4: Simplify right side
    581,680.53x = 228,126,588,655.88
  5. Step 5: Solve for x
    x = 228,126,588,655.88/581,680.53
  6. Step 6: Final answer
    x = 392,185.36

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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.