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Finding the Fourth Proportional to 323,364.49, 446,242.74 and 187,477.34

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Solution

The fourth proportional to 323,364.49, 446,242.74 and 187,477.34 is: 258,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,364.49 : 446,242.74 = 187,477.34 : x
  2. Step 2: Convert to fraction form
    323,364.49/446,242.74 = 187,477.34/x
  3. Step 3: Cross multiply
    323,364.49x = 446,242.74 × 187,477.34
  4. Step 4: Simplify right side
    323,364.49x = 83,660,398,955.26
  5. Step 5: Solve for x
    x = 83,660,398,955.26/323,364.49
  6. Step 6: Final answer
    x = 258,718.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.