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Finding the Fourth Proportional to 272,501.85, 411,312.47 and 272,501.85

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Solution

The fourth proportional to 272,501.85, 411,312.47 and 272,501.85 is: 411,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,501.85 : 411,312.47 = 272,501.85 : x
  2. Step 2: Convert to fraction form
    272,501.85/411,312.47 = 272,501.85/x
  3. Step 3: Cross multiply
    272,501.85x = 411,312.47 × 272,501.85
  4. Step 4: Simplify right side
    272,501.85x = 112,083,409,182.98
  5. Step 5: Solve for x
    x = 112,083,409,182.98/272,501.85
  6. Step 6: Final answer
    x = 411,312.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.