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Finding the Fourth Proportional to 292,466.48, 438,715.29 and 92,802.49

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Solution

The fourth proportional to 292,466.48, 438,715.29 and 92,802.49 is: 139,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,466.48 : 438,715.29 = 92,802.49 : x
  2. Step 2: Convert to fraction form
    292,466.48/438,715.29 = 92,802.49/x
  3. Step 3: Cross multiply
    292,466.48x = 438,715.29 × 92,802.49
  4. Step 4: Simplify right side
    292,466.48x = 40,713,869,119.50
  5. Step 5: Solve for x
    x = 40,713,869,119.50/292,466.48
  6. Step 6: Final answer
    x = 139,208.67

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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.