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Finding the Fourth Proportional to 240,989.49, 359,329.72 and 234,368.53

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Solution

The fourth proportional to 240,989.49, 359,329.72 and 234,368.53 is: 349,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,989.49 : 359,329.72 = 234,368.53 : x
  2. Step 2: Convert to fraction form
    240,989.49/359,329.72 = 234,368.53/x
  3. Step 3: Cross multiply
    240,989.49x = 359,329.72 × 234,368.53
  4. Step 4: Simplify right side
    240,989.49x = 84,215,577,675.79
  5. Step 5: Solve for x
    x = 84,215,577,675.79/240,989.49
  6. Step 6: Final answer
    x = 349,457.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.