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Finding the Fourth Proportional to 561,248.67, 841,880.30 and 187,271.67

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Solution

The fourth proportional to 561,248.67, 841,880.30 and 187,271.67 is: 280,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,248.67 : 841,880.30 = 187,271.67 : x
  2. Step 2: Convert to fraction form
    561,248.67/841,880.30 = 187,271.67/x
  3. Step 3: Cross multiply
    561,248.67x = 841,880.30 × 187,271.67
  4. Step 4: Simplify right side
    561,248.67x = 157,660,328,784.74
  5. Step 5: Solve for x
    x = 157,660,328,784.74/561,248.67
  6. Step 6: Final answer
    x = 280,909.94

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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.