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Finding the Fourth Proportional to 301,554.57, 416,178.48 and 172,504.96

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Solution

The fourth proportional to 301,554.57, 416,178.48 and 172,504.96 is: 238,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,554.57 : 416,178.48 = 172,504.96 : x
  2. Step 2: Convert to fraction form
    301,554.57/416,178.48 = 172,504.96/x
  3. Step 3: Cross multiply
    301,554.57x = 416,178.48 × 172,504.96
  4. Step 4: Simplify right side
    301,554.57x = 71,792,852,045.26
  5. Step 5: Solve for x
    x = 71,792,852,045.26/301,554.57
  6. Step 6: Final answer
    x = 238,075.82

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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.